Seiko C-18 User manual

※Lengthadjustmentserviceformetallicbandsisavailableat
theretailerfromwhomthewatch was purchased. Ifyoucannot
haveyourwatchrepairedbytheretailerfromwhomthewatch
waspurchasedbecauseyoureceivedthewatchasagift,oryou
movedtoadistantplace,please contact SEIKO CUSTOMER
SERVICECENTER.
Theservicemayalsobeavailableonachargeablebasisatother
retailers,however,someretailersmaynotundertaketheservice.
※Ifyourwatchhasaprotectivefilmforpreventingscratches,make
suretopeelitoff before usingthewatch.Ifthe watch is used
withthefilmonit,dirt,sweat,dust,ormoisturemaybeattached
tothefilmandmaycauserust.
ThankyouverymuchforchoosingaSEIKOwatch.
ForproperandsafeuseofyourSEIKOwatch,
pleasereadcarefullytheinstructionsinthis
bookletbeforeusingit.
Keepthismanualhandyforeasyreference.
1B21 KSJ1B21/BSJ1B21-1704
取扱説明書
C-18
1B21 ソーラー電波

Contents
1.AboutthisProduct
Handlingcautions·································84
Beforeuse················································88
Features····················································90
Displayandbuttonoperation ···············92
Howtousethebutton························94
Crown·························································95
2.BeforeUse
Beforeuse················································96
Checkingthechargingstatus······96
Checkingthetime·····························97
3. HowtoSettheTime(RadioSignalReception)
Settingthetimebyreceivingaradio
signal························································98
Mechanismofradiosignalreception ······98
Automaticreceptionandmanualreception ······99
Receptionenvironment····················100
Radiosignalreceptionrangeindication  ···100
Radiosignalreceptionrange:Japan(JJY)
 ···101
Radiosignalreceptionrange:China(BPC)
···102

Radiosignalreceptionrange:U.S.A.(WWVB) ···103

Radiosignalreceptionrange:Germany(DCF77)
···104

Toimproveradiosignalreception ···105

Environmentsinwhichitisdifficult
toreceivearadiosignal
····················106
Howtocheckthereceptionstatus ···108
Howtodisplaythereceptionresults ···108
4.SolarChargingFunction
Aboutcharging····································110
Howtochargethewatch············110
Standardchargingtime················111
Aboutenergy········································112

Energydepletionforewarningfunction ···112
Powersavefunction······················113
82
5. Timedifferenceadjustment(whenusingthewatchoverseas)
Timedifferenceadjustment(when
usingthewatchoverseas)·············114

Featuresoftimedifferenceadjustment
function
···············································114

Questionsandanswersregardingtime
differenceadjustmentfunction
····115

Settingthetimedifference(selectinga
radiosignaltransmittingstation)
··116
Listofmajortimedifferencesaroundtheworld 118
6. ToPreservetheQualityofYourWatch
Dailycare···············································120
Performanceandtype······················121
Waterresistance································122
Magneticresistance·························124
Band························································126
Specialclasps·····································128
Lumibrite················································133
Powersource·······································134
After-salesservice·····························136
7.Troubleshooting

Howtoconductmanualreception
(receivingaradiosignalmanually)
···138
Whenaradiosignalcannotbereceived ···140
Howtomanuallysetthetime····141
Preliminaryposition···························144

Automatichandpositionadjustmentfunction
(adjustmentofpreliminarypositionsofhour,
minuteandsecondhands)
····················144
Attrouble···············································146
Incaseofanabnormalmovement ·154
Resettingthesystem···················154
8.Specifications
Specifications······································158
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・Keepthewatchandaccessoriesoutofthereachofbabiesandchildren.
Careshould betakentoprevent ababyora childaccidentallyswallowingthe
accessories.
Ifababyorachildswallowsthebatteryoraccessories,immediatelyconsultadoctor,as
itwillbeharmfultothehealthofthebabyorchild.
WARNING
・Immediatelystopwearingthewatchinfollowingcases.
○Ifthewatchbodyorbandbecomesedgedbycorrosionetc.
○Ifthepinsprotrudefromtheband
※

ImmediatelyconsulttheretailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMERSERVICECENTER.
Toindicatethe risksofseriousconsequencessuchas severeinjuriesunlessthe
followingsafetyregulationsarestrictlyobserved.
・Donotremovethesecondarybatteryfromthewatch.
※Aboutthesecondarybattery→POWERSOURCE P.13 4

Replacementofthesecondarybatteryrequiresprofessionalknowledgeandskill.Pleaseask
theretailerfromwhomthewatchwaspurchasedforreplacementofthesecondarybattery.
Installationofanordinarysilveroxidebatterycangenerateheatthatcancausebursting
andignition.
Handlingcautions
AboutthisProduct
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・Avoidwearingorstoringthewatchinthefollowingplaces.
○ Placeswherevolatileagents(cosmeticssuchaspolishremover,bugrepellent,thinnersetc.)arevaporizing
○Placeswherethetemperaturedropsbelow5°Corrisesabove35°Cforalongtime
○Placesofhighhumidity ○Placesaffectedbystrongmagnetismorstaticelectricity
○Dustyplaces○Placesaffectedbystrongvibrations
CAUTIONS
・Ifyouobserveanyallergicsymptomsorskinirritation
 Stopwearingthewatchimmediatelyandconsultaspecialistsuchasadermatologistoran allergist.
・Othercautions
○Replacementofthemetalbandrequiresprofessionalknowledgeandskill.Pleaseask
theretailerfromwhomthewatchwaspurchasedforreplacementofthemetalband,
asthereisariskofhandorfingerinjuryandfearoflosingparts.
○Donotdisassembleortamperwiththewatch.
○
Keepthewatchoutofthereachofbabiesandchildren.Extracareshouldbetakentoavoid
risksofanyinjuryorallergicrashoritchingthatmaybecausedwhentheytouchthewatch.
○Whendisposingofusedbatteries,followtheinstructionsofyourlocalauthorities.
○Ifyourwatchisofthefoborpendanttype,thestraporchainattachedtothewatch
maydamageyourclothes,orinjurethehand,neck,orotherpartsofyourbody.
Toindicatethe risks oflightinjuriesormaterialdamages unlessthe following safety
regulationsarestrictlyobserved.
AboutthisProduct
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WARNING
CAUTION
Donotusethewatchinscubadivingor
saturationdiving.
Thevarioustightenedinspectionsundersimulatedharsh
environment,whichareusuallyrequiredforwatchesdesigned
forscubadivingorsaturationdiving,havenotbeenconducted
onthiswatch.Fordiving,usespecialwatchesfordiving.
Donotpourrunningwaterdirectlyfromfaucetonto
thewatch.
Thewaterpressureoftapwater fromafaucetishigh
enoughtodegradethewater resistantperformance ofa
waterresistantwatchforeverydaylife.
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Donotturnorpulloutthecrownwhenthe
watchiswet.
Watermaygetinsideofthewatch.
※ Iftheinnersurfaceoftheglass isclouded withcondensation orwater
dropletsappear insideofthe watchforalongtime,thewaterresistant
performanceofthewatchisdeteriorated. Immediatelyconsult theretailer
fromwhomthewatchwaspurchasedorSEIKOCUSTMERSERVICECENTER.
Donotwearthewatchwhiletakingabathorasauna.
Beawareofariskthatawaterresistantwatchmaylessenitswater
resistantperformancebecauseofdeteriorationoftheadhesive on
theglassorgasket,orthedevelopmentofrustonstainlesssteel.
Donotleavemoisture,sweatanddirtonthe
watchforalongtime.
Steam,soaporsomecomponentsofahotspringmayaccelerate
thedeteriorationofwaterresistantperformanceofthewatch.
CAUTION
AboutthisProduct
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Beforeuse
■
Makesuretokeepthewatchsufficientlycharged
Thewatchoperateswhilechargingelectricitybyconvertinglight
receivedonthedialtoelectricalenergy.Itcannotproperlyoperate
unlesstheremainingenergyissufficient.Placeorstoreinalocation
receivinglight,etc.,tosufficientlychargeelectricity.
■Theamountofenergystoredinthewatchcanbecheckedbythe
movementofthesecondhand.
→CHECKINGTHECHARGINGSTATUS P.96
■Chargingthesolarbattery
→Howtochargethewatch P.110
→StandardChargingTime P.111
AboutthisProduct
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■Toreceiveradiosignals
Thewatchautomaticallyreceives radio signals to adjustthetime
everyday.
Automaticradiosignalreceptioniscarriedoutbeforetwoandfour
o'clockduringthenight.
Duringthisperiodoftime,placethewatchinalocationthateasily
receivesradiosignalswithoutwearingitanddonotmoveit.
→ ToimproveRadioSignalReception P.105
AboutthisProduct
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■ RadioSignalReceivingFunction ･････････
→ P.98
■
DisplayFunctionofRadioSignalReceptionLevel･･･
→P.138
■
DisplayFunctionofRadioSignalReceptionResults ･･･
→ P.108
This watchadjusts thetimeand thedateprecisely byautomatically
receivingradiosignalsdaily.
Inaddition,radiosignalscanbeforciblyreceivedwithmanualoperation.
ThiswatchcanreceiveofficialstandardradiosignalsfromJapan(from
2transmittingstations),China,U.S.A. andGermany(the transmitting
stationfor receivingradiosignals canbe selectedusingthe time
differenceadjustmentfunction).
Themovementofthesecondhandindicatestheradiosignalreception
levelduringradiosignalreceptionattempts.(onlymanualreception)
Themovementofthesecond handindicatesradio signalreception
results(Yes/No).
Features
Thissolar-driveandradio-controlledwatchisequippedwitharadiosignaladjustmentfunction.
・Thewatchisoperatedby usingelectricenergywhichisconvertedfromthelight
receivedbythesolarpanel.
・Thiswatchdisplaystheprecisetimebyreceivingradiosignalsconveyingtimeinformation.
Itcanreceiveofficialstandardfrequenciesfrom Japan (from eitheroftwotransmitting
stations),thePeople'sRepublicofChina,theUnitedStatesofAmericaandGermany.
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■ TimeDifferenceAdjustmentFunction
･･･
(SelectingTransmittingStation)
→ P.114
■ SolarChargingFunction
･････････････
→P.110
■
EnergyDepletionForewarningFunction ･･･
→ P.112
■ PowerSaveFunction
･･････････････････
→ P.113
■
AutomaticHandPositionAlignmentFunction ･･･
→P.144
Thiswatchcandisplaylocaltimearoundtheworldby
settingtheappropriate timedifference.Inaddition,
settingthetimedifferenceenables thewatchto
receiveofficialstandardradiosignalstosetthetime
ifthewatchisworninaradiosignalreceptionrange.
Asolarcellunderneaththe dialconvertsanyformof
lightintoelectricalenergytochargeit.Once fully
charged,thewatchcontinuestorunforapproximately
sixmonths.
Themovementofthesecondhandindicatesthatthe
batteryshouldbecharged.
Thiswatch isequippedwith afunction whichcan
suppressenergy consumptionwhenitisleft without
receivinganadequate lightsource foracertain
lengthoftime.
Whenthehandpositionsdisplayanincorrecttimeas
aresultofexternalinfluencessuchasmagnetism,the
watchautomaticallycorrectsthehandmisalignment.
AboutthisProduct
1
91
Displayandbuttonoperation
Button
Crown
→P.94
※ Theoperationmethodofthebuttonvaries
withthefunctionsbeingused.Followthe
instructionsofeachsectionofthisbooklet.
Normalposition:
Checkingthereceptionresult P.108
Timedifferenceadjustment P.114
Manualreception P.138
Manualtimesetting P.141
Firstclick:Resettingthesystem P.154
Minutehand
Hourhand
Secondhand
AboutthisProduct
1
92
Receptionleveldisplay
Radiosignaltransmittingstationdisplay
[Manualreception]
H·········· Highreceptionlevel
(50secondposition)
L··········· Lowreceptionlevel
(40secondposition)
N·········· Unabletoreceive
radiosignals
(20secondposition)
※ Receptionleveldisplay→P.138
Display(countrywithradiosignaltransmittingstation) Displayposition
J／JJY（Japan） 9secondposition
B／BPC（China） 8secondposition
W／WWVB（ U.S.A.）53secondposition
D／DCF77（Germany） 1secondposition
※Timedifferenceadjustmentfunction→P.114
Receptionresultdisplay
[Checkofreceptionresult]
Y··········· Reception
 successful

(10secondposition)
N·········· Reception
 failed

(20secondposition)
※ Receptionresultdisplay
→P.108
※ Eachpositionofabovedisplaysmaydifferdependingonthemodel(design)ofthewatch.
AboutthisProduct
1
93

Howtousethebutton
SomemodelsmayhaveaButtonwhichisrecessedinthewatchcase
topreventaccidentalinput.ShapeoftheButtondiffersdependingon
thedesignofthewatch.
Upperhalfof theButton
iscovered.
Pressthe lowerhalfof the
Buttonor pressthe hollow
inthemiddleusinganobject
withalongtaperedtip.
TheButtonisrecessedin
thewatchcase.
Pressthehollowinthemiddle
usinganobjectwithalong
taperedtip.
TheButtoniscoveredexcept
thehollowinthemiddle.
Pressthe hollowusingan
objectwithalongtaperedtip.
AboutthisProduct
1
94
Therearetwotypesofcrown,anormalcrownandascrew-locktypecrown.
Pleasecheckthetypeofthecrownofyourwatch.
The
crown
turns.
Thecrown
doesnotturn.
(Itcannotbe
turnedany
further.)
While
pressing
thecrown
in,turn
itinthe
direction
indicatedby
thearrow.
※ Ifyourwatchhasascrew-locktypecrown,thecrownscrewsintothewatchtopreventmalfunctionandincreasewaterresistance.
※Becarefulnottoscrewthecrowninbyforceasitmaydamagetheslotsofthecrown.
Normalcrown
Screw-locktypecrown
Crown
Pulloutthecrownandoperateit.
Unlockthecrownbeforeoperatingit. Afteroperating
thecrown,lockit.
Screw
Whilepressingthe
crownin
Unscrew
AboutthisProduct
1
95
Beforeuse
Whenthemovementofthesecondhandshowsanenergydepletionstate,thebatteryrequirescharging.
Thesecondhand
movesatone-
secondintervals.
Thesecondhand
movesattwo-
secondintervals.
Thesecondhand
movesatfive-
secondintervals.
Thesecondhand
isstopped.
Thewatchis
sufficientlycharged.
※  Ifthesecondhanddoesnotmoveatone-secondintervalsevenafterfullychargingthebattery→ ChargingthesolarbatteryinAtTroubleonP.148
Thechargedenergyisdepleted.
→P.112
Thepowersavefunctionisactivated. → P.113
Checkthemovementsofthesecond hand
afterreleasingthePowerSave
mode.
Theenergystoredinthewatchrunslow.
Chargethe
battery
sufficiently.
Howto
Chargethe
Watch
→P.110
1Checkingthechargingstatus
2
BeforeUse
96
Checkingthetime
2
※  Thehandsofthiswatchcannotbemovedbyturningthecrown.Sowhen
adjustingthetime,refertothefollowingpagesregardingtheprocedures.
Whenthetime
arecorrect
Whentheradiosignal
canbereceived
Settingthetimeby
receivingaradiosignal
→P.138
Whenaradiosignal
cannotbereceived
Manuallysetthetime
→P.141
Usethewatch
withoutadjustment.
Whenthe
timeare
incorrect
Radiosignalreceptionrangeindication →P.100
Environmentsinwhichitisdifficulttoreceivearadiosignal →P.106
Howtosetthe
timedifference
(Selectinga
radiosignal
transmitting
station)
→P.116
2
BeforeUse
97

Radio-controlledwatch
Receiveradiosignals
throughtheantenna
insidethewatch
↓
Analyzetime
information
↓
Displaythecurrent
Time
Theradio-controlledwatchdisplaysthe precise Time byautomaticallyreceivingand
synchronizingitselfwiththeradiosignalofanofficialstandardfrequency.
Transmitting
Station
Cesium
AtomicClock
■Mechanismofradiosignalreception
Settingthetimebyreceivingaradiosignal
Timesignaltransmittedbyastandardfrequencyisbasedonasuperaccurate"Cesium
AtomicClock"thatmayhavea1secondlossorgainperonehundredthousandyears.
Officialstandard
frequency
HowtoSettheTime(RadioSignalReception)
3
98
※ Whenthetimedifferenceissetforaregionotherthanradiosignalreceptionrange,aradiosignalcannotbereceived.
 Checkthesettingofthetimedifference→Settingthetimedifference(selectingaradiosignaltransmittingstation) P.116
※Radiosignalreceptionresultsdependon areceivingenvironment.→Environmentsinwhichitis
difficulttoreceivearadiosignal P.106
※Thewatch cannotreceivearadiosignal outsidetheradio signalreceptionrange.→Radiosignal
receptionrangeindication P.100
※Whenthewatchdoesnotdisplaythecorrecttimeevenaftersuccessfullyreceivingaradiosignal.
→Troubleshooting:Misalignmentofthetimeandhands P.150
・ Manualreception
Thiswatchcanreceivearadiosignalarbitrarily atanytime otherthanthe
automaticreceptionmode.
 →Howtoconductmanualreception P.138
・ Automaticreception

Thiswatchsetsthetimebyautomaticallyreceivingaradiosignalatafixedtime.
 Thiswatchautomaticallyreceivesaradiosignalbefore2:00a.m.and4:00a.m.
■Automaticreceptionandmanualreception
※Whenthereceptionissuccessful,thewatchfinishestheautomaticreception.
・
Placethewatchinaplacewhereitcaneasilyreceivearadiosignal(bythewindow,etc.)
・D onotmovethewatchduringtheradiosignalreception.
→ToImproveRadioSignalReception P.105
HowtoSettheTime(RadioSignalReception)
3
99
Receptionenvironment
ThiswatchreceivesstandardradiosignalsfromJapan(2stations),China,U.S.A.andGermany.
Aradiosignaltransmittingstationcanbeselectedbytimedifferenceadjustmentfunction.
→Settingthetimedifference(selectingaradiosignaltransmittingstation)P.116
Japan(JJY)
P.101
China(BPC)
P.102
U.S.A.
(WWVB)
P.103
Germany
(DCF77)
P.104
■Radiosignalreceptionrangeindication
HowtoSettheTime(RadioSignalReception)
3
100
Ohtakadoya-
yamatransmitting
station（40kHz）
1,000km
1,000km
■Radiosignalreceptionrange:Japan(JJY)
JJYisoperatedbytheNationalInstitute
ofInformationandCommunications
Technology（NICT）.
JJYistransmittedfromtwostationsin
Japan.Eachstation transmitsJJYina
differentfrequency.
Fukushima（Ohtakadoya-yama
transmittingstation:40KHz）
Kyushu（Hagane-yamatransmitting
station:60KHz）
※NICT： NationalInstituteofInformationand
CommunicationsTechnology
※
Whetherthewatch succeedsinreceiving
radiosignalsornotdependsonthereceiving
conditions.
 Referto"About receptionenvironment"on
P.106.
Thereception rangefromeach transmittingstationis approximately
1,000km（1,000kmradiusofeachstation）.
Hagane-yama
transmitting
station（60kHz）
HowtoSettheTime(RadioSignalReception)
3
101

■
Radiosignalreceptionrange:thePeopleʼsRepublicofChina(BPC)
BPCisoperatedbyNTSC.
ShangqiuNational TimeService
Center
Frequency:68.5kHz
※NTSC：N ationalTimeServiceCenter
※Thewatch maybeabletoreceiveradio
signalsoutsideareception rangeifthe
receivingconditionsarefavorable.
※Thewatch mayfailtoreceiveradio
signalsdependingonthereception
conditions(weather,geographiclocations,
radiodisturbancessuch astallbuildings,
andorientationofthewatch).
Environmentsinwhichitis difficultto
receivearadiosignalonP.10 6.
Thereceptionrange fromthetransmittingstation isapproximately
1,500km(1, 500kmradiusofthetransmittingstation).
1,500km
ShangqiuNational
TimeServiceCenter
（68.5kHz）
HowtoSettheTime(RadioSignalReception)
3
102
WWVBisoperatedbyNIST.
FortCollinstransmittingstation
Frequency:60KHz
※NIST：N ationalInstituteofStandardsand
Technology
※Thewatch maybeable toreceiveradio
signalsoutsidea reception rangeifthe
receivingconditionsarefavorable.
※Thewatch mayfailtoreceiveradio signals
dependingonthereceptionconditions
(weather,geographiclocations, radio
disturbancessuchastallbuildings,and
orientationofthewatch).
Environmentsinwhichitisdifficulttoreceive
aradiosignalonP.10 6.
■ Radiosignalreceptionrange:theUnitedStatesofAmerica(WWVB)
FortCollins
transmittingstation
Frequency(60KHz)
1,500km
Thereception rangefromthetransmittingstation isapproximately
1,500km(1,500kmradiusofthetransmittingstation).Thereare
fourtimedifferenceswithinthereceptionrange.
HowtoSettheTime(RadioSignalReception)
3
103
■Radiosignalreceptionrange:Germany(DCF77)
DCF77isoperatedbyPTB.
SoutheasternFrankfurt
Mainflingentransmittingstation:77.5kHz
※PTB：Physikalisch-TechnischeBundesanstalt
※Thewatchmayfailtoreceiveradiosignals
dependingonthereceptionconditions(weather,
geographiclocations,radiodisturbancessuch
astallbuildings,andorientationofthewatch).
Environmentsinwhichitisdifficulttoreceivea
radiosignalonP.106.
1,000km
Thereception rangefromthetransmittingstationisapproximately
1,000km(1,000kmradiusofthetransmittingstation)
Therearethreetimedifferenceswithinthereceptionrange.
Mainflingen
transmitting
station(77.5kHz)
HowtoSettheTime(RadioSignalReception)
3
104
■Toimproveradiosignalreception
※Ifthebuttonorcrownisoperatedwhilethewatchis
receivingaradiosignal,thereceptionwillbecancelled.
・ Placethewatchinaplacewhereitcaneasilyreceivearadiosignalsuchasnearawindow.
※Locationsoftransmittingstations→RadioSignalReceptionRangeIndicationP.100
Antenna
・Donotmovethewatchwhileitisreceivingradiosignals.
Toenhancethereceptionofradiosignals,donotmovethewatchordonot
changetheorientationofthewatchwhileitisreceivingradiosignals.
Theantennaisembeddedatthe8o'clockpositionofthewatch.Turningthe
antennatowardtheoutsideofawindowor thedirectionfacingtransmitting
stationshelpsimproveradiosignalreception.
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■Environmentsinwhichitisdifficulttoreceivearadiosignal
・Close tohomeelectrical
appliancessuch as TV's,
refrigeratorsorairconditioners
・Close toOAdevisessuch
asmobile phones, personal
computersorfaxmachines
・Close tosteeldesksor other
furnituremadeofmetal
・In placesgenerating
radiointerference,
suchasconstruction
sitesorplaces with
heavytraffic.
・Close tooverhead
powerlines, TV
stations,traincables.
・Insideabuilding,betweentall
buildings,underground.
・Insideavehicle,train,orairplane
Avoidputtingthewatch
insuchplaceswhenit
receivesradiosignals.
HowtoSettheTime(RadioSignalReception)
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CAUTION
・Thewatchmaydisplaythewrongtimeifitfailstoreceiveradiosignalsproperlybecause
ofinterference.Thewatchmayalsofailtoreceiveradiosignalsproperlydependingonthe
locationorradiowavereceivingconditions.Inthiscase,movethewatchtoanotherplace
whereitcanreceiveradiosignals.
・Whenthewatchisoutofreceptionrange,itsaccuratequartzmovement(loss/gain:±
15secondspermonthonaverage)willcontinuetokeepthetime.
・Thetimesignaltransmissionmaybestoppedduringmaintenanceofthefacilitiesofthe
(each)transmittingstationorbecauseofalightningstrike.Insuchacase,seethe(each)
station'swebsiteforfurtherinformationorcontactSEIKOCUSTOMERSERVICECENTER.
・Websitesoftransmittingstations(asofJanuary2014)
Japan:NICT(JapanStandardTimeGroup)http://www.jjy.nict.go.jp/
China:NTSC http://www.ntsc.ac.cn
U.S.A.:NIST http://www.nist.gov/physlab/div847/grp40/wwvb.cfm
Germany:PTB http://www.ptb.de/indexen.html
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Thesecondhandindicatesthelatestreceptionresults(Yes/No)ofaradiosignalforfiveseconds.
※ IftheButtonispressedafterfivesecondshaveelapsedorwhilethesecond
handismovingtodisplaythereceptionresults,thereceptionresultsdisplay
functioniscancelledandthewatchreturnstotheTIMEdisplaymode.
■Howtodisplaythereceptionresults
PresstheButtononceand
thenreleaseit.
1
Howtocheckthereceptionstatus
※WhentheButtoniskeptpressed,thewatch
startsmanualreception.
Press
theButtononce
andthen
releaseit.
Ifareceptionwassuccessful:
ThesecondhandpointstoY
(Yes:the10-
secondposition)
Ifareceptionhasfailed:The
secondhandpointstoN
(No:the20-second
position)
※ TopresstheButton,
useanobjectwitha
longtaperedtip.
P.94
Thesecondhandindicatesthereceptionresults.
Checkifthereceptionwassuccessful
(withinfiveseconds.)
2
HowtoSettheTime(RadioSignalReception)
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108
・ Ifyouusethewatchin aplaceorregion outsidetheradio signalreceptionrangeorwhenthe
watchcannotsuccessfullyreceiveradiosignals,manuallysetthetime.
Howtomanuallysetthetime →P.141
Ifreceptionhasfailed:ThesecondhandpointstoN.
・ Placethewatchinaplacewhereitcaneasilyreceivearadiosignal,orchangeitsdirection.
Evenwithintheradiosignalreceptionrange,thiswatchmayfailtoreceivearadio
signaldependingonthecondition（duetotheinfluenceofweather,geographical
features,buildings,ordirection）.→Inthiscase,refertoEnvironmentsinwhichitis
difficulttoreceivearadiosignalonP.106.
Thiswatchisunabletoreceiveradiosignalsoutsideareceptionrange→Radio
signalreceptionrangeindicationonP.100
・ Makesurethatthetimedifferenceiscorrectlyselectedbeforeattemptingradiosignalreception.
IfthetimedifferenceissettoaregionotherthanJapan,China,U.S.A.orGermanythesignalreception
functionwillnotwork.Checkthetimedifferencesetting→HowtoselectthetimedifferenceonP.116
・ Attempttoreceivearadiosignalinadifferenttimeperiod（Inthecaseofmanualreception）.
Receivingenvironmentsdifferaccordingtotimeperiodsevenatthesameplace.
Duetoradiosignalcharacteristics,thewatchisabletoeasilyreceiveradiosignalsduringnighttimehours.
・ Aradiosignalhasbeenreceivedsuccessfully.Usethewatchwithoutanyadjustments.
※
Whenthewatchisnotdisplayingtheprecisetimeevenaftersuccessfullyreceivingaradiosignal
→Inthiscase,refertoTroubleshooting:MisalignmentofthetimeandhandsonP.150
Ifareceptionwassuccessful:ThesecondhandpointstoY
HowtoSettheTime(RadioSignalReception)
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■Howtochargethewatch
Aboutcharging
Exposethedialtolighttochargethewatch.
※Whenchargingthewatch,makesurethatthewatchisnotheatedtoahightemperature.(The
operationaltemperaturerangeisbetween−10ºCand+60ºC.)
※Whenfirstusingthewatchor startingtouse thewatchafterithasstoppedbecauseofthe
energydepletion,sufficientlychargethewatchreferringtothetableonthepageattheright.
Toensureoptimalperformanceofthewatch,makesure
thatthewatchiskeptsufficientlychargedatalltime.
Underthefollowingsituations,theenergyofthewatchis
likelytobedepleted,resultinginstoppageofthewatch.
・Thewatchisconcealedunderasleeve.
・
Thewatchisusedorstoredunderconditionswhereitcannotbeexposedtolightforalong time.
SolarChargingFunction
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110
Illumination
lx(LUX)
Light
source
Condition
(Example)
Fromthestatewherethe
watchisstopped(notcharged)
Inthestatewherethehand
moves(thewatchischarged)
Tofully
charged
To1secInterval
movementissecured
Tomovefor
1day
700 Fluorescentlight Generaloffices −− 5h
3,000
Fluorescentlight 30W20cm 200h 5h 1.5h
10,000
Fluorescentlight 30W5cm 60h 1h 15min
Sunlight Cloudyday
100,000 Sunlight
Sunnyday (Under
thedirectsunlight
onasummerday)
24h 30min 3min
ThefiguresofTimerequiredforchargingthewatchtostartmovingatone-secondintervalsare
estimationsoftimerequiredtochargethestoppedwatchbyexposingittolightuntilitmovesat
steadyone-secondintervals.Evenifthewatchispartiallychargedforashorterperiod,thewatch
willresumeone-second-intervalmovement.However,itmayshortlyreturntotwo-second-interval
movement.Usethechargingtimeinthiscolumnasaroughguideforsufficientchargingtime.
※Thesecondhandmovementindicatestheremainingamountofenergy.
"CHECKINGTHECHARGINGSTATUSBYTHEMOVEMENTOFTHESECONDHAND" P.96
※Therequiredchargingtimeslightlyvariesdependingonthemodelofthewatch.
■Standardchargingtime
Foranapproximatetimerequiredtochargethewatch,refertothetablebelow.
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Aboutenergy
■Energydepletionforewarningfunction
Theenergydepletionforewarningfunctionisactivatedwhenthe
energystoredinthewatchrunslow.Insuchacase,thesecondhand
movesattwo-secondintervals.Ifthewatchcontinuestobeinthe
state oftwo-secondintervalmovement,thewatchswitchestofive-
secondintervalmovement,followedbyacompletelystoppedstate.
Iftheenergydepletionforewarningfunctionisactivated,chargethe
watchsufficiently.
Howtochargethewatch···························· P.110
Standardchargingtime······························· P.111
※Neitherthebuttonsnorthecrowncanbeoperatedwhilethesecondhandmovesattwo-secondor
five-secondintervals(thisisnotamalfunction).
※Whilethesecondhandmovesatfive-secondintervals,thehourhandstopoperating.
※Whilethesecondhandmoves attwo-second andfive-secondintervals,the watchisunable to
receiveradiosignalsautomatically.Afterthewatchis chargedsufficientlyandthesecondhand
returnstonormalone-secondintervalmovement,conductthemanualreceptionofradiosignalsto
setthewatchtothecorrecttime.(RefertoAutomaticReceptionandManualReceptiononP.99.)
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Thiswatchisequippedwithapowersavefunctionwhichcansuppressenergyconsumption
whenitisleftwithoutreceivinganadequatelightsourceforacertainlengthoftime.
※Therearetwotypesofpowersavemode.
PowerSave1 PowerSave2
Condition
Whenthewatchisexposedtoastatewithoutreceiving
anadequatelightsourcefor72hoursorlonger.
Whenthe watchisin aninsufficient
chargingstateforalongtime.
Situation
Thesecondhand
stopspointingatthe
15-secondposition,
andthehourand
minutehandsalso
stop.
Thewatchconducts
automaticradio
signalreceiving.
Thesecondhand
stopspointingatthe
45-secondposition,
andthehourand
minutehandsalso
stop.
Thewatchdoesnot
conductautomatic
radiosignalreceiving.
Howtohandle
thesituation
Whenthewatchisexposedtoanadequatelightsourceforfivesecondsorlonger,
itdisplaysthecurrenttimeagainafterthesecondhandisrapidlyadvanced.
Aftersufficiently chargingthebattery, set
thewatchforthecurrenttime,ifnecessary.
PowerSave2
※
Whilethewatchisbeingcharged,thesecondhandmovesatFive-secondIntervals.
 DuringtheFive-secondIntervalMovement,neitherthebuttonsnorthecrowncanbeoperated.
※  IfthePowerSave2modeisprolonged,thestoredpoweramountdropsandtheinternalcurrenttimeinformationstoredwillbelost.
 Whenthewatchreturnstoitsnormalmovementofone-secondintervalaftersufficientlychargingthebattery,setthecurrenttimeby
receivingaradiosignal.(RefertoAutomaticReceptionandManualReception→P.99)
■Powersavefunction
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Timedifferenceadjustment(whenusingthewatchoverseas)
■ Featuresoftimedifferenceadjustmentfunction
・  Setthe timedifferenceinthetime difference
adjustmentmodetodisplayanoverseaslocaltime.
 Thewatchcandisplayanoverseaslocaltimeinonehourunits.
ThetimedifferenceissetbasedonUTC(CoordinatedUniversalTime).
TherangeoftimedifferencesaroundtheworldbasedonUTCisfrom
−11hoursto+13hours.
・  Inthetime differenceadjustmentmode, thetime
differencebasedon UTC(CoordinatedUniversal
Time)isdisplayedbythepositionofthesecondhand.
Operatethe buttonsto pointthesecond handto the
desiredpositionforsettingofthetimedifference.
・  Aradiosignaltransmittingstationisselected
bysettingthetimedifference.
Examples: WhenusingthewatchinJapan,setthesecondhandtothenine
secondposition:TokyotoreceivearadiosignalfromJapan.
 Whenusing thewatchinChina,set thesecond handtothe
eightsecondposition:Beijing.
Whensetting thetimedifference fora regionotherthan theradio signal
receptionranges,theradiosignalreceptionfunctionwillnotwork.
→ Settingthetimedifference P.116
→ Listofmajortimedifferencesaroundtheworld P.118
0secondposition:UTC
Denver(-7)
：WWVB
Berlin(+1)
：DCF77 Beijing(+8)
：BPC
Tokyo(+9)
：JJY
１
8
9
53
−11
13
<Howtoreadthesecondhandpositionandtime
difference(radiosignaltransmittingstation＞
※ ThenumbersinparenthesisaretimedifferencesbasedonUTC.
※ Whensettingthesecond
handtothe 52‒55sec-
ondposition, theradiosig-
naltransmittingstationof
U.S.A.(WWVB)isselected.
※ Whensettingthe
secondhandto0-
1secondposition,
theradio signal
transmittingstation
ofGermany(DCF77)
isselected.
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
114
■ Questionsandanswersregardingtimedifferenceadjustmentfunction
Ｑ：WhenreturningtoJapanfromoverseas,isthetimeautomaticallysettoJapantime?
Ａ：Justmoving cannotadjust thetimeto Japantime.Aftersetting thetime
difference,radiosignalreceptionisnotperformed.WhenwearingawatchinJapan,
settoJapantimebyuseofthetimedifferenceadjustmentfunction.
Ｑ：
Thehandsstopduringoperationoftimedifferencesetting,therefore,doestimelagoccur?
Ａ：Theinternalcircuitstoresthetime,therefore,notimelagoccurs.
Ｑ： Whenatimedifferenceforregionsoutoftheradiosignalreceptionrangeisset,the
watchwillnotreceivearadiosignal.Howistheaccuracyofthewatchatthattime?
Ａ：Thewatchhasanaccuracyofanormalquartzwatchinthatcase.(Monthlyrate:±
15seconds)
Ｑ：
Howisadjustmentmadetoalocaltimewithatimedifferenceof15minutesor30minutes?
Ａ： Thetimecanbeadjustedona1hourbasisbyuseofthetimedifferenceadjustmentfunction.
 Whenadjustingto alocaltimewith atimedifference of15minutesor30 minutes,please
refertothe"Howtomanuallysetthetime"on P.141.
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
115
Settingthetimedifference(selectingaradiosignaltransmittingstation)
Continueto press thebutton(for8
seconds),andwhenthesecondhandstarts
tomovecounterclockwise,releaseit.
※ Pressthebuttonwitha
pointedobject.→P.94
1
※ Thesecondhandmaymovetothezerosecondposition3
secondsafterpressingthebutton.Continuetopressit.
※ Whenanomovementstateofthesecondhandiskeptforoneminuteor
more,thewatchautomaticallyswitchestothetimedisplaymode.When
thewatchswitchestothetimedisplaymode,re-attemptoperation.
※  Whenthepressingtimeisshort,thewatchmayswitch
tothemanualreceptionmode.
Thewatchswitchestothetimedifferenceadjustment
modeandstopsbythetimedifferencesetcurrently
Pressthe
buttonfor
8secondsand
thenrelease
it.
Press
the
button.
Pressingthebuttononce
movesthesecondhand
byonesecond(onehour).
Whenthebutton ispressedonce,the
secondhandmovesbyonesecond(+1hour)
clockwisetoadvancethetimebyonehour.
Thepositionofsecondhandindicatesthetimedifference.
Refertothefiguresattherighttosetthetimedifference.
※Alsowhilethewatchis working,the
secondhandcanbemoved.
Pressthebuttontosetthe
secondhandtothelocal
timedifferenceofadesired
area.
2
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
116
Waitforoneminute afterthe
hourhandstops.
(Thetimedifferenceadjustment
modeisfinished.)
Afteroneminute,thewatch
switchestothe one-second
intervalmovement.
3
※Whensettingthedaylightsavingtime(DST),add
onehourtothetimedifferenceofadesiredarea.
※
  Pressingthebutton whenthesecondhandpoints tothe
13secondposition(+13hoursfromUTC),thesecondhand
movestothe49secondposition(−11hoursfromUTC).
Theradiosignaltransmittingstation can bechangedby
settingthetimedifference.Whensettingatimedifference
forregionsotherthantheradiosignal receptionranges,
theradiosignalreceptionfunctionwillnotwork.
Listof majortime
differencesaround
theworld P.118
Inother
countries
InJapan InChina
%3&
--<
%3&
--<
Setthesecond
handto the 9
secondposition.
Setthesecond
handto the 8
secondposition.
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
117

RefertothetablebelowtosetthetimedifferenceareaintheTimeDifferenceAdjustmentmode.
Listofmajortimedifferencesaroundtheworld
Positionthat
thesecond
handindicates
Time
difference
withUTC
Nameof
representativecity
(Timezone)
Receivable
officialstandard
frequency
0-secondposition ± 0hour London/UTC ★ DCF77
1-secondposition +1hours Paris/Berlin ★ DCF77
2-secondposition +2hours Cairo ★ DCF77 △
3-secondposition +3hours Jeddah -
4-secondposition +4hours Dubai -
5-secondposition +5hours Karachi -
6-secondposition +6hours Dhaka -
7-secondposition +7hours Bangkok -
8-secondposition +8hours Beijing BPC
9-secondposition +9hours Tokyo JJY
10-secondposition +10hours Sydney ★ JJY △
11-secondposition +11hours Nouméa -
12-secondposition +12hours Wellington ★-
13-secondposition +13hours (DSTWellington) -
Positionthat
thesecond
handindicates
Time
difference
withUTC
Nameof
representativecity
(Timezone)
Receivable
officialstandard
frequency
49-secondposition -11hours MidwayIslands -
50-secondposition -10hours Honolulu -
51-secondposition -9hours Anchorage ★-
52-secondposition -8hours LosAngels ★ WWVB
53-secondposition -7hours Denver ★ WWVB
54-secondposition -6hours Chicago ★ WWVB
55-secondposition -5hours NewYork ★ WWVB
56-secondposition -4hours Santiago ★ WWVB △
57-secondposition -3hours RiodeJaneiro ★-
58-secondposition -2hours (DSTRiodeJaneiro) -
59-secondposition -1hours Azores ★-
※Whensettingatimedifferenceforaregionwherenoreceivableofficialstandardfrequencyismentionedin
thetablebelow,theradiosignalreceptionfunctionwillnotwork.
DaylightSavingTime(SummerTime)isineffectin
timezonesindicatedwitha★mark.
(AsofJanuary2014)
Ifareceivableofficialstandardfrequencyisindicatedwitha△mark,summertimeinthetimezone
canbesetbyreceivingthefrequencyifthetimezoneiswithintheradiosignalreceptionrange.
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
118
Therearetimedifferences around the world basedonCoordinated Universal Time
(UTC).Thereare24regions(TimeZones)aroundtheworldwithatimedifference
ofonehour.Thissystem has been adopted internationallybysettingthe total time
differencearoundtheworldas24hours.
Inaddition,DaylightSavingTime(SummerTime)isindividuallyadoptedinsomeregions.
CoordinatedUniversalTime(UTC)

UTCis theuniversalstandardtime coordinated throughaninternationalagreement.
Thisisusedas theofficialtimeforrecordingtimearound theworld.Thetime
obtainedbyaddingaleapsecondtotheInternationalAtomicTime(TAI)determined
basedontheatomicclockaroundtheworldandcoordinatedinordertocompensate
fordeviationsfromuniversaltime(UT)whichisastronomicallydeterminedistheUTC.
Summertime(DST):DaylightSavingTime

Summertimeisdaylightsavingtime.Advancingthewatchonehourtoprolong
daytime duringlonger daylighthoursinsummer.Daylightsavingtimehas
beenadoptedinabout80countries,mainlyinEuropeandNorthAmerica.The
adoptionanddurationofdaylightsavingtimevarydependingonthecountry.
※ Timedifferencesbetweenregionsanddaylightsavingtimemaychangeduetocircumstancesofacountryorregion.
※ Atimedifferenceestablishedin15minuteor30minuteunitsisadoptedinverylimitedregions(ex.India).
5
Timedifferenceadjustment
(whenusingthewatchoverseas)
119
●Thewatchrequiresgooddailycare
 ・Donotwashthewatchwhenitscrownisattheextendedposition.
 ・Wipeawaymoisture,sweatordirtwithasoftcloth
・After soakingthe watchinseawater, besure towashthe watchin cleanpurewater
andwipeitdrycarefully.
 ※
Ifyour watchisratedasNon-waterresistant orwaterresistantfor everydaylife,
donotwashthewatch.Donotpourrunningwaterdirectlyfromfaucetontothewatch.
Putsomewaterintoabowlfirst,andthemsoakthewatchinthewatertowashit.
 Performanceandtype → P121.
 Waterresistance → P122.
●Turnthecrownfromtimetotime
・ Inordertopreventcorrosionofthecrown,turnthecrownfromtimetotime.
・Thesamepracticeshouldbeappliedtoascrew-locktypecrown.
 Crown → P.95
●Pressthebuttonsonceinawhile.
・ Pressthebuttonsonceinawhiletopreventcorrosionofthebuttons.
 ※Ifthedisplayischangedbypressinganybutton,waitandleaveitasis.
Dailycare
ToPreservetheQualityofYourWatch
6
120
1B21-0AA0
1
B
2
1
-
0
A
A
0
0
0
0
0
0
0
M
A
D
E
I
N
J
A
P
A
N
W
A
T
E
R
R
E
S
I
S
T
A
N
T
1
0
B
A
R
S
T
A
I
N
L
E
S
S
S
T
E
E
L
※Thefigureaboveisoneexample.Performanceofyourwatchisdifferentfromabovesample.
Thecasebackshowsthecaliberandperformanceofyourwatch
Performanceandtype
Waterresistant
performance
RefertoP.122
Magneticresistant
performance
RetertoP.124
Calibernumber
Thenumbertoidentify
thetypeofyourwatch
ToPreservetheQualityofYourWatch
6
121

Refertothetablebelowforthedescriptionofeachdegree
ofwaterresistantperformanceofyourwatchbeforeusing.
（Referto"P.121"）
Indicationonthecaseback Waterresistantperformance
Noindication Non-waterresistance
WATERRESISTANT Waterresistanceforeverydaylife
WATERRESISTANT
5BAR
Waterresistanceforeverydaylifeat
5barometricpressures
WATERRESISTANT
10（20）BAR
Waterresistanceforeverydaylifeat
10(20)barometricpressures.
Waterresistance
ToPreservetheQualityofYourWatch
6
122
Conditionofuse
Avoiddropsofwaterorsweat
Thewatchwithstandsaccidental
contactwithwaterineverydaylife.
Thewatchissuitableforsportssuchasswimming.
Thewatchissuitablefordivingnotusinganaircylinder.
Notsuitablefor
swimming
WARNING
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Affectedbynearbymagnetism,
awatchmaytemporarilygainorlosetimeorstopoperating.
※ Whenthehandpositionsdeviatetodisplayincorrecttimeasaresultofinfluenceofmagnetism.thiswatchautomaticallycorrectsthehandalignmentitself.(RefertoP.146)
Indicationonthecaseback Conditionofuse
Noindication Keepthewatchmorethan10cmawayfrom
magneticproducts.
Keepthewatchmorethan5cmawayfrom
magneticproducts.(JISlevel-1standard)
Keepthewatchmorethan1cmawayfrom
magneticproducts.(JISlevel-2standard)
Magneticresistance
Ifthewatchbecomesmagnetizedanditsaccuracydeterioratestoanextentexceedingthespecifiedrateunder
normaluse,thewatchneedstobe demagnetized.Inthiscase,youwillbecharged fordemagnetizationand
accuracyreadjustmentevenifithappenswithintheguaranteeperiod.
Thereasonwhywatchisaffectedbymagnetism
Thebuilt-inmotorisprovidedwithamagnet,whichmaybeinfluencedbyastrongexternalmagneticfield.
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Examplesofcommonmagneticproductsthatmayaffectwatches
Smartphone,cellularphone,
tabletterminal(speaker)
Bag
(withmagnetbuckle)
AC-powered
shaver
Portableradio
(speaker)
Magnetic
cookingdevice
Magnetic
necklace
Magnetic
healtpillow
ACadapter
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Thebandtouchestheskindirectlyandbecomesdirtywithsweatordust.
Therefore,lackofcaremayacceleratedeteriorationofthebandorcause
skinirritationorstainonthesleeveedge.Thewatchrequiresalotof
attentionforlongusage.
●Metallicband
・Moisture,sweatorsoilwillcauserustevenonastainlesssteelbandiftheyareleftforalongtime.
・Lackofcaremaycauseayellowishorgoldstainonthelowersleeveedgeofshirts.
・Wipeoffmoisture,sweatorsoilwithasoftclothassoonaspossible
・Tocleanthesoilaroundthejointgapsoftheband,wipeitoutinwaterandthenbrushitoffwitha
softtoothbrush.
（Protectthewatchbodyfromwatersplashesbywrappingitupinplasticwrapetc.）
・Because sometitan bracelets usepins made ofstainless steel, whichhas outstanding strength,
rustmayforminthestainlesssteelparts.
・Ifrustadvances,pinsmaypokeoutordropout,andthewatchcasemayfalloffthebracelet,orthe
claspmaynotopen.
・ Ifapinispokingout,personalinjurymayresult.Insuchacase,refrainfromusingthewatchand
requestrepair.
Band
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● Leatherband
・ Aleatherbandissusceptibletodiscolorationanddeteriorationfrommoisture,sweatanddirectsunlight.
・ Wipeoffmoistureandsweatassoonaspossiblebygentlyblottingthemupwithadrycloth.
・Donotexposethewatchtodirectsunlightforalongtime.
・
Pleasetakecarewhenwearingawatchwithlight-coloredband,asdirtislikelytoshowup.
・RefrainfromwearingaleatherbandwatchotherthanAquaFreebandswhile
bathing,swimming, andwhenworking withwatereven ifthewatchitselfis
water-resistantenforcedfordailyuse（10-or20-BARwaterresistant）.
● Polyurethaneband
・ Apolyurethanebandissusceptibletodiscolorationfromlight,andmaybedeterioratedbysolventoratmospherichumidity.
・  Especiallyatranslucent,white,orpalecoloredbandeasilyadsorbsothercolors,resultingincolorsmearsordiscoloration.
・Washoutdirtinwaterandcleanitoffwithadrycloth.

（Protectthewatchbodyfromwatersplashesbywrappingitupinplasticwrapetc.）
・ Whenthebandbecomeslessflexible,havethebandreplacedwithanewone.Ifyoucontinue
tousethebandasitis,thebandmaydevelopcracksorbecomebrittleovertime.
Notesonthe
lengthoftheband
Notesonskin
irritationandallergy
Skinirritationcausedbyabandhasvariousreasonssuchasallergy
tometalsorleathers,orskinreactionsagainstfriction ondustor
thebanditself.
Adjustthebandtoallowalittleclearancewithyourwristto
ensureproperairflow.Whenwearingthewatch,leaveenough
roomtoinsertafingerbetweenthebandandyourwrist.
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Thereare3typeofspecialclaspsasdescribedbelow;
Iftheclaspofthewatchyoupurchasedisoneofthem,
pleaserefertotheindications.
A B
C
Specialclasps
AType →P.129 BType →P.130
CType →P.132
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AType
A
Liftuptheclasptoreleasethe
buckle.
Opentheflap.
Takethepinoutoftheadjustmenthole,
adjustthesize ofthestrap byslidingit
backandforth,andthenputthepinback
intotheappropriateadjustmenthole.
Closetheflap.
Moveableloop
Fixedloop Flap
Buckle
12
4
3
※ Donotpushtheflapintoohand.
※Whenfasteningtheclasp,insertthetipofthebandintothemovable
loopandfixedloop,andthen,securelytightentheclasp.
Pin Adjustmenthole
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BType
B
・Howtowearortakeoffthewatch
Whilepressingthepushbuttononthebothsides
oftheflap,pullthebandoutofthemoveablelop
andfixedloop.Thenopentheclasp.
Placethetipofthebandintothemoveable
loopandfixed loop,andfasten theclasp
bypressingtheframeofthebuckle.
2
1
Fixedloop
Moveable
loop
Pushbutton
Flap
Buckle
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・Howtoadjustthelengthoftheleatherband
Whilepressingthepushbuttononthebothsidesof
theflap,pull theleatherband outof themoveable
loopandfixedloop.Thenopentheclasp
.
Pressthepush buttonsagainto
unfastentheflap.
Pullthepinoutofaadjustmentholeoftheband.
Slidetheband toadjustits lengthandfind an
appropriatehole.Placethepinintothehole.
Fastentheflap.
Fixedloop
Moveable
loop
Pushbutton
Flap
Buckle
Pin Adjustmenthole
3 4
21
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CType
C
Whilepressing thepushbutton
onthe bothsidesof theflap,lift
toopentheclasp.
Pullthe pinsoutof theadjustment
holesonthe band.Slide theband
totheappropriatelength.Place the
pinsintothenewholesontheband.
Fastenthebuckle.
Pushbutton
Pins
Adjustmenthole
Buckle
1 2
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Lumibrite
IfyourwatchhasLumibrite
Lumibriteisaluminouspaintthatabsorbsthelightenergyofthesunlightandlightingapparatusinashorttimeandstoresit
toemitlightinthedark.
Forexample,ifexposedtoalightofmorethan500luxforapproximately10minutes,Lumibritecanemitlightfor3to5hours.
Pleasenote,however,that,asLumibriteemitsthelightitstores,theluminancelevelofthelightdecreasesgraduallyovertime.
Thedurationoftheemittedlightmayalsodifferslightlydependingonsuchfactorsasthebrightnessoftheplacewherethe
watchisexposedtolightandthedistancefromthelightsourcetothewatch.
※Ingeneral, when comingfroma placethatis brighttoa placethatis dark,ittakes humaneyessome timetoadapt tothe
darknessmakingitdifficulttoseeobjectsinitially.(Darkadaptation)
※LumiBriteis luminouspaintthat storesandemitslight,which isharmlessto humanbeings andtheenvironment, containingno
toxicmaterialssuchasradioactivesubstances.
ConditionIllumination
Sunlight Fineweather 100,000lux
Cloudyweather 10,000lux
Indoor(Window-
sideduring
daytime)
Fineweather morethan3,000lux
Cloudyweather 1,000to3,000lux
Rainyweather lessthan1,000lux
Lightingapparatus
(40-wattdaylight
fluorescentlight)）
Distancetothewatch:1m 1,000lux
Distancetothewatch:3m 500lux(averageroomluminance)
Distancetothewatch:4m 250lux
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Powersource
Thebatteryusedinthiswatchisaspecialsecondarybattery,whichistotallydifferentfromordinarysilveroxidebatteries.
Unlikeotherdisposablebatteriessuchasdry-cellbatteriesorbuttoncells,thissecondarybatterycanbeusedoverand
overagainbyrepeatingthecyclesofdischargingandrecharging.
However,forvariousreasonssuchaslong-termuseorusageconditions, the capacity or recharging efficiencyofthe
secondarybatterymaygraduallydeteriorate.Wornorcontaminatedmechanicalpartsordegradedoilsmayalsoshorten
rechargingcycles.Iftheefficiencyofthesecondarybatterydecreases,havethewatchrepaired.
■Remarksonreplacingthesecondarybattery
・Donotremovethesecondarybatteryyourself.
・Replacementofthesecondarybatteryrequiresprofessional
knowledgeandskill.Please asktheretailerfromwhomthewatch
waspurchasedforrepair.
・
Installationofanordinarysilveroxidebatterycangenerateheatthatcan
causeburstingorignition.
NOTICE
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※ Referto"Standardchargingtime"onpage111 tocheckthetimerequiredforfullychargingthewatch.
Whenthesecondarybatteryisfullycharged,theoverchargepreventionfunction
isautomaticallyactivatedto avoid furthercharging.Thereisnoneedto worry
aboutdamagecausedbyoverchargingno matterhowmuchthesecondary
batteryischargedinexcessofthe"timerequiredforfullychargingthewatch".
※Overchargepreventionfunction
■Notesonchargingthewatch
・Whenchargingthewatch, donotplacethewatchin closeproximity
toan intenselightsourcesuchaslightingequipment forphotography,
spotlightsorincandescentlights,asthewatchmaybeexcessivelyheated
resultingindamagetoitsinternalparts.
・Whenchargingthewatchbyexposuretodirectsunlight,avoidplacesthat
easilyreachhightemperatures,suchasacardashboard.
・Alwayskeepthewatchtemperatureunder60℃.
NOTICE
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・SEIKOmakesitapolicytotypicallykeepastockofreplacementpartsfor
thiswatchfor7years.Replacementpartsarethosewhichareessential
tomaintainingthefunctional integrity ofthewatch.Pleasekeepin
mindthatif originalpartsarenot available,theymay be replacedwith
substituteswhoseoutwardappearancemaydifferfromtheoriginals.
・Contacttheretailer fromwhomthewatch waspurchasedorSEIKO
CUSTOMERSERVICECENTERforrepairoroverhaul.
・Withintheguarantee period,presentthecertificate of guaranteeto
receiverepairservices.
・Guaranteecoverageis providedinthecertificate of guarantee.Read
carefullyandretainit.
・
Forrepairservicesaftertheguaranteeperiodhasexpired,ifthefunctionsofthewatchcan
berestoredbyrepairwork,wewillundertakerepairservicesuponrequestandpayment.
● Notesonguaranteeandrepair
● Replacementparts
After-salesservice
ToPreservetheQualityofYourWatch
6
136
● Inspectionandadjustmentbydisassemblyandcleaning(overhaul)
・ Periodicinspection and adjustmentbydisassembly andcleaning
(overhaul)isrecommendedapproximatelyonceevery3to4yearsinorder
tomaintainoptimalperformanceofthewatchforalongtime.According
touseconditions, the oilretainingconditionofyour watch mechanical
partsmaydeteriorate, abrasionofthe partsduetocontamination
ofoilmay advanceordelaythe time significantly,orthewatch itself
maystop.Asthe partssuchasgasket maydeteriorate,water-
resistantperformancemay beimpaireddueto intrusionofperspiration
andmoisture.Pleasecontactthe retailer fromwhomthewatchwas
purchasedforinspection andadjustmentbydisassembly andcleaning
(overhaul).Forreplacementofparts, pleasespecify"SEIKOGENUINE
PARTS."Whenaskingfor inspection andadjustmentbydisassembly
andcleaning(overhaul),makesurethatthegasketandpushpinarealso
replacedwithnewones.
Whenyourwatchisinspectedandadjustedbydisassemblyandcleaning
(overhauled),themovementofyourwatchmaybereplaced.
ToPreservetheQualityofYourWatch
6
137

※ Whenthetimedifferenceis setfora regionotherthanradio
signalreceptionrange, thesecondhand doesnotmovetothe
zerosecondposition(Aradiosignalcannotbereceivedmanually).
 Checkthetimedifferencesetcurrently.
→Settingthetimedifference (selectingaradio
signaltransmittingstation)P.116
Placethewatch whereitcan
easilyreceivearadiosignal.
→ToenablethewatchtoeasilyreceivearadiosignalP.105
→Environmentsin whichitisdifficult toreceivearadio
signalP.106
Receptionstartsafter thesecondhand
movesandstopsatthezerosecondposition.
Howtoconductmanualreception(receivingaradiosignalmanually)
Placethewatch.
1
Continuetopressthebutton(for3seconds),andthenrelease
itwhenthesecondhandmovestothezerosecondposition.
2
※ Pressthe
buttonwitha
pointedobject.
→P.94
Press
thebutton
(for3
seconds)
Theantennafor receiving
radiosignalsinsidethewatch
isat the8o'clockposition.
Turningtheantenna toward
theoutside ofthewindow
enablesthewatch toreceive
radiosignalsmoreeasily.
※ Thewatchcannotreceivearadiosignal
outsidetheradiosignalreceptionrange.
 →RadiosignalreceptionrangeindicationP.100
Troubleshooting
7
138
Placethewatchandwaitfora
fewminutes(max.12minutes)
When thesecond handmovesat theone-
secondinterval,thereceptionisfinished.
3
Ittakestimetoreceivearadiosignal(max.12minutes).
※Therequiredtimevariesdependingon
thereceivingstateofaradiosignal.
Receptionresult:N
→ WhenthereceptionresultisNP.109
After5seconds,thewatchswitches
tothetimedisplaymode.
<Ifthereceptionhasfailed>
Thesecondhandindicatesthe
receptionresultN.
Receptionlevel High:H Low:L
Display
Receivingstate
ofaradiosignal
Easytoreceive Difficulttoreceive
<Displayuntilthereceptionisfinished>
Thesecondhandindicatesthereceptionlevel.
Whenthereceptionisfinished,check
thatthereceptionissuccessful.
→ReceptionresultdisplayP.108
Whenthesecondhandstartsto
moveatone-secondintervals,check
thatthereceptionissuccessful.
4
Troubleshooting
7
139
Whenaradiosignalcannotbereceived
・Notreceivablewithintheradiosignalreceptionrange
・Whenthewatchisusedoutsidetheradiosignalreceptionrange
Whenaradiosignalcannotbereceived,refertothefollowingpages:
Checkthatthetimedifferenceoftheareawherethewatchisusedisset.
Althoughthetimedifferenceiscorrectlyselected,thetimearemisaligned.
→Attrouble:ReceptionofaradiosignalP.148
Sincearadio signalcannot bereceived,the timebecamemisaligned. Inthiscase,
setthetimemanually.
→HowtomanuallysetthetimeP.141
Selectthetimedifferenceoftheareawherethewatchisused.
→ Settingthetimedifference(selectingaradiosignaltransmittingstation)P.116
Althoughthe timedifferenceis correctlyselected, thetimeare notcorrect. Inthis
case,setthetimemanually.
※Fortheradiosignalreceptionranges,refertoRadiosignalreceptionrangeindicationP.100.
Troubleshooting
7
140
※ Whenanomovementstateof thesecondhand is
keptforoneminute ormore,thewatchautomatically
switchesto the timedisplaymode.Whenthe watch
switchestothetimedisplaymode,re-attemptoperation.
Thesecondhandstops.
Pullthecrowntothesecond
clickandpushitbackin.
1
Pullthe
crowntothe
secondclick
andpushit
backin.
01
※ Whenthecrownisascrew
locktype,unlockit.→P.95
Continuetothenextpage
Ifthewatchiscontinuallyusedinan
environmentinwhicharadiosignal
cannotbereceived(aregionother
thantheradiosignal reception
ranges,etc.),setthetimemanually.
→Radiosignalreceptionrange
indication P.100
■ Howtomanuallysetthetime
・
Whenthe watchisusedinan environment
inwhicharadiosignal canbereceived
again,receivearadiosignaltosetthetime.
→ Automaticreceptionandmanual
receptionP.99
※ Evenifaradiosignalcannotbereceived,the
watchcanbeusedwiththesameaccuracyas
thatofanormalquartzwatch.(Averagegain/
loss±15secondspermonth)
※Whenaradiosignalisreceivedafterthe
timeismanuallyset,thereceivedtimeis
displayed.
Whenpullingthecrown,donotstopatthefirstclickbutpullit
tothesecondclickimmediately.Ifthesecondhanddoesnot
stopwhenpushingthecrownbackin,re-attemptoperation① .
Troubleshooting
7
141

※Thehandsdonotmovebyturningthecrown.
※Advance thehandto setthetime. Thehand
cannotbeturnedreversely.
※Thedateischangedat0:00a.m.(12:00a.m.).
Payattentiontoa.m.andp.m.tosetthetime.
※Thedatecannotbesetinthisoperation.
→HowtomanuallysetthedateP.144
Pressthebuttontosetthe
time
3
Pressing
thebuttononce
advancesthe
timebyone
minute.
Bypressingthebuttononce,thesecondhandmakesafull
rotationandthewatchadvancesthetimebyoneminute.
Whenthe
buttoniskept
pressedfor
twoseconds,
thesecond
handstartsto
move.When
thebuttonis
pressedagain,
thesecond
handstops.

Pressthebuttonand
thenreleaseit
※ Whenthisconditioniskeptforoneminuteormore,
thewatch automaticallyswitchesto thetime
displaymode. Whenthewatchswitches tothe
timedisplaymode,re-attemptoperationfrom① .
※ Whenthewatchswitches tothemanualtime
settingmode, the receptionresultdata islost.
Therefore,thereceptionresultisindicatedasN.
Press
thebutton
andthen
releaseit
2
The secondhand movestothe zerosecondposition
andstops.
 Thewatchswitchestothemanualtimesettingmode.
※Pressthebutton
withapointed
object.→P.94
Troubleshooting
7
142
Aftertheoperation③pullthe
crowntothesecondclick.
4
Pulling
thecrown
tothesecond
click
01
Pushthecrownbackin
accordingtothetimesignal,etc.
5
Theoperationiscompleted.
Thewatchstartstowork.
0
Pushing
thecrown
backin
Whenthewatchisusedinanenvironmentinwhich
aradiosignalcanbereceivedagain,receivearadio
signaltosetthetime.
→ AutomaticreceptionandmanualreceptionP.99
※Whenthecrownis
ascrewlocktype,
lockit.→P.95
Troubleshooting
7
143
Thepossiblecausesofmisalignmentofpreliminarypositionareasfollows:
・Inthecaseofhavingastrongimpact:themisalignmentmayoccur
whendroppingorhittingthewatch.
・
Inthecaseofamagneticinfluence:themisalignmentmayoccurwhen
bringingthewatchclosetoanobjectwhichgeneratesmagnetism.
→ExamplesofmagneticproductsthatmayaffectwatchesP.125
Theconditionthepreliminarypositionofhandismisalignedmeansthatcomparedtoahealthmeter,
thezeropositionofameterismisaligned,causingacorrectweightnottobedisplayed.
Whenthetimearenotcorrecteveniftheradiosignalreceptionis
successful,thepreliminarypositionofthedatemaybemisaligned.
Thehour,minute,andsecondhandshaveanAutomaticHandPositionAdjustment
Function,whichautomaticallycorrectsanincorrectpreliminaryposition.
AutomaticHandPosition AdjustmentFunctionactivatesonce anhour forthe
minuteandsecondhandsandat12:00bothforAMandPMforthehourhand.
※ Thisfunctionworkswhenthepreliminaryhandpositionismisalignedduetoexternalfactorssuchasstrongimpactormagnetic
influence.Itdoesnotworktoadjustaccuracyofthewatchorslightdeviationswhichmayoccurduringthemanufacturingprocess.
■ Automatichandpositionadjustmentfunction(functiontoautomatically
adjustthepreliminarypositionofthehour,minute,andsecondhands)
Preliminaryposition
Troubleshooting
7
144
Troubleshooting
7
145

Attrouble
Attrouble Possiblecauses
Hand
Movement
Thesecondhand moves
attwo-secondintervals.
Theenergydepletionforewarningfunctionisactivated.(P.112)
Ifthesecond handmovesattwo orfive-secondintervals
whileyouwear the watcheveryday,thewatchis in a
conditionwhereitcannotacquiresufficientlight,forinstance,
thewatchisconcealedunderalongsleeveshirt.
Thesecondhand moves
atfive-secondintervals.
Thestoppedsecond hand
pointingtothe 15-second
positionstartedoperating.
Thepowersavefunctionhasbeenactivated.(P.113)
Whenthewatchisnotexposed toadequatelight foracertain periodoftime,
thepowersavefunctiontolimitenergyconsumptionisautomaticallyactivated.
 Thestoppedsecond hand
pointingtothe 45-second
positionstartedoperating.
Thepowersavefunctionhasbeenactivated.(P.113)
Whenthewatchisnotexposed toadequatelight foracertain periodoftime,
thepowersavefunctiontolimitenergyconsumptionisautomaticallyactivated.
 Thewatchhands advancerapidly
unlessabutton ispressed.Afterthe
rapidadvancementis completed, the
watchresumesitsnormalmovement.
Thepowersavefunctionhasbeenactivated.(P.113)
Theautomatichandpositionalignmentfunctionwasactivated.(P.144)
Whenthehand positionsdeviatetodisplay incorrecttimeasa resultofexternalinfluences,etc.,the
watchautomaticallycorrectsthehandmisalignmentbytheautomatichandpositionalignmentfunction.
Troubleshooting
7
146
Solutions
Referencepages
Fullychargethewatchsothatthesecondhandmaymoveatone-secondintervals.
Becarefulnottoconcealthewatchunderasleeve,etc.,whilewearingit.
Whentakingoffthewatch,placeitinasbrightalocationaspossible.
P.110
Waituntilthecurrenttimeisdisplayed.
Nooperationisneeded(thisisnotamalfunction.) −
1.Fullychargethewatchsothatthesecondhandmaymoveatone-secondintervals.
2.Afterthat,ifthewatchdisplaystheincorrecttime,receivearadiowaveasneeded.
P.110
P.99
Nooperationisneeded(thisisnotamalfunction). −
Troubleshooting
7
147
Attrouble Possiblecauses
Reception
ofaradio
signal
Whenthewatch is
unabletoreceive a
radiosignal
Thereceptionresults
havefailedand the
secondhandpoints
toN(the watch does
notreceivea radio
signal).
Thewatchwasmovedwhileitwasreceivingaradiosignal.
(Ittakes12minutesatthelongesttoreceivearadiosignalsuccessfully.)
Thewatchwas left wheretheradiosignalwas weak or
whereitwasunabletoreceivearadiosignal(P.106).
 Transmittingstationsmayhavestoppedtransmitting
radiosignalsforsomereason(Transmissionstop).
Thewatchis settoatime defferenceforthe
regionsoutoftheradiosignalreceptionrange.
Charging
thesolar
battery
Thestoppedwatch was
exposedtoan adequate
lightforlonger thanthe
timerequiredtofullycharge
thewatch,however,itdoes
notresumeits normal one-
secondintervalmovements.
Theamountofexposedlightistooweak.
Thetimeforchargingthewatchisnotsufficient.
Thebuilt-inIC of thewatchhasfallen intoan
unstablecondition.
Troubleshooting
7
148
Solutions
Referencepages
Donotmovethewatchwhileitisreceivingaradiosignal.
Becauseittakestimetoreceivearadiosignalsuccessfully,leavethewatchuntouchedfor12minutesatthelongest.
P.105
P.139
Placethewatchwhereitisabletoeasilyreceivearadiosignal. P.105
Checkthewebsiteofeachtransmittingstationforfurtherinformationconcerning
atransmissionstop.Attempttoreceivearadiosignalagainafterawhile.
P.107
1.Checkthetimedifferencethatthewatchiscurrentlysetfor,andselectthetimedifference
totheradiosignalreceptionrange.
2.Whenthewatchisnotdisplayingtheprecisetime,receivearadiosignalagainifnecessary.
P.116
P.99
Thetimerequired forchargingthewatch dependsentirelyonthe
amountofexposedlightthewatchreceives.
RefertoStandardChargingTimetochargethewatch.
P.111
RefertoInCaseofanAbnormalMovementtoresetthesystem. P.154
Troubleshooting
7
149

AtTrouble Possiblecauses
Misalignment
ofthetimeand
handpositions
Thewatchtemporarily
gainsorlosestime.
Thewatchhasbeenleftinanextremelyhighor
lowtemperatureplaceforalongtime.
Thewatchfailstoreceivearadiosignalcorrectlyas
aresultofexternalinfluence(incorrectreception).
Thereceptionresults
aresuccessful,but
theprecisetime is
notdisplayed.
Thehandpositionsweremisalignedasaresultofexternalinfluence.
Thehandsareoutofthepreliminarypositionasaresultofexternalinfluence.
→ PreliminaryPositionP.144
Thesecondhand
positionisnot correctly
alignedinthereception
resultsdisplayorthe
receptionleveldisplay.
Thesecondhand isoutofthe preliminary
positionasaresultofexternalinfluence.
→ PreliminaryPositionP.144
Thewatchdisplaysanincorrecttime
hourunit,eventhoughitdisplaysthe
precisetimeofminutesandseconds
Thewatchmay besettoa wrong time
differencefromtheregion where thewatchis
currentlyused.
Troubleshooting
7
150
Solutions
Referencepages
1.Whenthewatchreturnstoanormaltemperature,itwilldisplaytheprecisetimeasbefore.
2.Ifthewatchstillgainsorlosesthetime,conductmanualreceptionifnecessary.
3.Ifthewatchcannotresumenormalmovementevenafterconductingtheabovementioned
procedures,consulttheretailerfromwhomthewatchwaspurchased.
−
P.138
−
1.Placethewatchwhereitisabletoreceivearadiosignalmoreeasily.
2.Conductmanualreceptionifnecessary.
P.105
P.138
1.Nocrownor buttonoperationisneeded, since theautomatichandposition
adjustmentfunctionwillbe activatedtoalignthehand positions. Automatic
HandPositionAlignment Function activatesonceanhour fortheminuteand
secondhandsandat12:00bothfortheAMandPMforthehourhand.
2.Ifthewatchstillgainsorlosestime,refertoInCaseofanAbnormalMovement
toperformprocedures.
3.Ifthewatchcannotresumenormalmovementevenafterconductingtheabove
mentionedprocedures,consulttheretailerfromwhomthewatchwaspurchased.
P.144
P.141
P.154
−
Checkthetimedifference that thewatchiscurrently set for, and
selectthetimedifferencetowherethewatchisused.
P.116
Troubleshooting
7
151
※ Forthesolutionoftroublesotherthantheabove,consulttheretailerfromwhomthewatchwaspurchased.
Attrouble Possiblecause
Operation
Thecrownorbuttons
cannotbeoperated.
Thestoredelectricpowerisrunningshort.
Handsanddatearemovingrightafterasetting
iscarriedoutbythecrownorbuttonoperation.
Yougetlostin
themiddleofthe
operation.
−−−−−−−−−−−−−−−−−−−−−−−−
Others Bluronthedialglass
persists.
Smallamountofwaterhasgotinsidethewatch
duetodeteriorationofthegasket,etc.
Troubleshooting
7
152
Solution
Referencepages
Sufficientlychargethe watchuntilitstarts movingatone-second
intervals.
P.110
Waitwithoutdoinganything.
Afterthedatestops,thecrownandbuttonscanbeoperated. −
1.Ifthecrownispulledout,pushitbackin.
2.
Thewatchwillresumeitsnormalone-secondintervalmovementswithin5minutes.
3.Startthesettingprocedurefromthebeginning.
−
Contacttheretailerfromwhomthewatchwaspurchased. −
Troubleshooting
7
153

Incasethatthewatchmoves
abnormallyorthatthewatch
doesnotmoveatone-second
intervalsevenafterfully
chargingthebattery,perform
theproceduresfrom①-⑥for
normalfunction.
■Resetthesystem( ①-③ )
Pullthecrowntothesecond
click
1
※Evenafterpullingthecrown,the second
handcontinuestomove.
Incaseofanabnormalmovement
01
Pulling
thecrownto
thesecond
click
※Whenthecrownis
ascrewlocktype,
unlockit.→P.95
Troubleshooting
7
154
Pressthebuttonfor5seconds
andthenreleaseit
2
※Pressthe
buttonwitha
pointedobject.
→P.94
※Thebuttoncannotbeoperateduntilallthehandsstop.
Pushthecrown
backin
3
0
Pushing
thecrown
backin
 Infiveseconds after releasing thebutton,the hourhand
startstomoveandstopsat the12o'clockposition.And
thentheminutehandandthesecondhandstarttomove
andstopatthezerosecondposition.
Pressing
thebuttonfor
5secondsand
release
Continuetothenextpage
Troubleshooting
7
155
Continuetopressthebutton(for8seconds)
andthenreleaseitwhenthesecondhand
startstomovecounterclockwise.
※Pressthebutton
withapointed
object.→P.94
4
※ Althoughthesecondhandmaymovetothezero secondposition3
secondsafterpressingthebutton,keeppressingit.
※ Whenanomovementstateofthesecondhandiskeptforoneminute
ormore,thewatchautomaticallyswitchestothetimedisplaymode.
Whenthewatchswitches tothetime display mode,re-attempt
operationfrom④ .
Thewatchswitchestothetimedifferenceadjustmentmode.
Press
thebuttonfor
8secondsand
thenrelease
it
Press
thebutton
Eachpressing ofthebutton
movesthe secondhand by
onesecond(+1hour).
Whenthebuttonis pressedonce,the secondhandmovesby
onesecond(+1hour)clockwisetoadvancethetimebyonehour.
Thepositionofthesecondhandindicates
atimedifference.Referto thefiguresat
therighttosetthetimedifference.
※Alsowhilethewatchis working,the
secondhandcanbemoved.
Pressthebuttontosetthetimedifference
oftheareawherethewatchisused
■Howtosetthetimedifference( ④-⑥ )
5
Afterthesystemisreset,thetimedifferenceissettoLondon/UTC.
※Ifnecessary,setthetimedifference.
Troubleshooting
7
156
Receivearadiosignal
tosetthetime
6
Whentheoperations①-⑤arefinished,
makesuretosetthetime.
※ Whensettingthedaylightsavingtime(DST),addonehour
tothetimedifferenceofadesiredarea.
※ Bypressingthebuttonwhenthesecondhandpointstothe
13secondposition(+13hoursfromUTC),thesecondhand
movestothe49secondposition(−11hoursfromUTC).
Theradiosignaltransmittingstationischangedby settingthetime
difference.
Whensettingthetimedifferenceforaregionotherthantheradiosignal
receptionranges,theradiosignalreceptionfunctionwillnotwork.
■Setthetime
Howtoconductmanual
receptionP.138
Setthetimeanddatemanually
inanenvironmentinwhicha
radiosignalcannotbereceived.
→ Howtomanuallysetthetimep.141
Whenthetime areset,the
operationsarefinished.
Intheothercountries
ListofmajortimedifferencesaroundtheworldP.118
BPC
JJY
Setthesecondhandto
the9secondposition.
InJapan
BPC
JJY
InChina
Setthesecondhandto
the8secondposition.
One minute after the hour and minute handsstopaftertheoperation
⑤
,thetime
differenceadjustmentmodeisfinished.
Troubleshooting
7
157