Seiko S770 User manual

S770 KSBS770-A1010
取扱説明書
C-15
S770世界 4 エリア対応 EPD ソーラー電波
日本・ドイツ・イギリス・アメリカ
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1

4.Howtousethealarm
Howtousethealarm ………………
130
Howtotestthealarmsound……… 132
5.ChargingtheSolarBattery
Howtocharge…………………………
133
Howtochargethebattery……… 133
Standardchargingtime ………… 134
Howtochecktheremainingbatterylevel … 136
Powersave(Powersaveandsleep) … 138 
6.ToPreservetheQualityofyourWatch
Dailycare ………………………………
140
Performanceandtype ……………… 141
WaterResistance …………………… 142
Band……………………………………… 144
Specialclasps ………………………… 146
Epdtechnology………………………… 151
PowerSource ………………………… 152
After-salesservice…………………… 154
7.Troubleshooting
Howtoconductmanualreception
(Receptionbymanualoperation)…
156
Toimproveradiowavereception… 160
RadiowavereceptionQ&A …… 161
Howtomanuallysetthetimeanddate
(Year,monthanddate)  ………………… 162
Settingthetime…………………… 162
Settingthedate(year,monthanddate) … 166
Howtoswitchbetween
12-Hourand24-Hourformat………
168
Whenyouseeoneofthesedisplays … … 170
Troubleshooting ……………………… 172
Abnormaldisplayorimproperfunction … 178
HowtoresetthebuiltinIC……… 178
8.Specifications
Specifications …………………………
180
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Contents
1.AboutThisProduct
HandlingCautions …………………… 94
Electrophoreticdisplay(EPD) …… 98
Features…………………………………
100
Namesofthepartsandtheirfunctions …… 102
Navigationbarforthefrontbuttons … … 103
Howtochangethemodesordisplays … 104
Howtocheckthesettingsofthewatch
(Miscellaneousinformationdisplay) ………… 106
Howtodisplaytheseconds ……… 107
Howtochangethestyle(DESIGN)ofthetimedisplay … 108
2. HowtosettheTime,DateandDay(RadioSingalReception)
SettingtheTime,DateandDaybyreceivingaradiosignal  110
Mechanismofradiosignalreception … 110
Automaticreceptionandmanualreception … 111
Receptionenvironment……………… 112
Radiosignalreceptionrange…… 112
Roughguideofradiosignalreceptionrange:Japan(JJY) … 113
Roughguideofradiosignalreceptionrange:Germany(DCF77)  114
Roughguideofradiosignalreceptionrange:UnitedKingdom(MSF)  115
Roughguideofradiosignalreceptionrange:UNITEDSTATESOFAMERICA(WWVB)  116
ToImproveradiosignalreception … 117
Environmentsinwhichitisdifficulttoreceivearadiosignal  118
Howtosetthehometimecityanddst
(Daylightsavingtime)  ………………… 120
DST(DaylightSavingTime) …… 121
Receptionhistorydisplay ………… 122
3.Howtousetheworldtimefunction
Howtousetheworldtimefunction
(Howtoshowthecurrenttimearoundtheworld) … 124
Citynamesandtimedifference…… 126
Howtoswitchthehometimeandlocaltime … 128
92
※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.
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.
8

AboutThisProduct
1
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
97
AboutThisProduct
1WARNING
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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AboutThisProduct
1
・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.
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AboutThisProduct
1
・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 P152

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
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AboutThisProduct
1
■StyleSelection･･･････････
 Function
 →P108
■WorldTimeFunction･････
 →P124
■AlarmFunction･･･････････
→P130
■FullyAutomatic･･･････････
 CalendarFunction
■BatteryLifeIndicator････
 →P136
■PowerSaveFunction････
 →P138
Youcanchooseastyle(design)oftimedisplaysothat
thewatchmatchesyoursituationorpreference.
Thewatch can displaythelocal time in32cities or
regionsaroundtheworld.
Thenameofthedesignatedcityisshowninfull.
Threedifferentalarmtimescanbeset.
The1-time alarm, whichsoundsonce at the
designatedtime,andtheDailyalarm,whichsoundsat
thedesignatedtimeeverydayareavailable.
Nomanual calendar adjustmentatthe end ofthe
monthisrequiredupuntiltheendoftheyear2060.
Thewatch indicates theapproximateremaining
batterylevel.
Ifno button ispressedwhile the watchremainsin
darkness,thePowerSaveModeisactivatedtoreduce
theenergyconsumption.
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AboutThisProduct
1Features
Thissolar-charged,radio-controlledwatchhasanElectrophoreticDisplay(EPD)withanactivematrix
system,whichofferssharp,clearfiguresandgraphicsonscreen.
 → Electrophoreticdisplay P98
・Thewatch canreceivestandard radio wavesfromJapan, Germany,theUnited
KingdomortheUnitedStates.
・The watchcan displaythe localtime in32 citiesor regionsaroundtheworld.
Withthisfunction,thewatchcanbeconvenientlyusedanywhereacrosstheglobe.
■RadioWave･･････････････
 ReceptionFunction
 →P110

■ReceptionHistory････････
 DisplayFunction
 →P122
■SolarCharging･･･････････
 Function
 →P133
Thewatchpreciselyadjuststhetimeanddatebyautomaticallyreceiving
timesignalsviaradiowaveseveryday.
Inaddition,radiowavescanbereceivedbymanualoperation.
The watch can receive time signals via radio waves transmitted from
Japan(twolocations),Germany,theUnitedKingdomortheUnitedStates.
Thewatchdisplaysthetimeanddateofthelatestsuccessful
radiowavereception.Italsoindicatesthetransmittingstation
fromwhichthewatchreceivedthelatestradiowaves.
Thebuilt-in solar panelconvertsany form oflightinto
electricalenergyto power thewatch.Once fully
charged,thewatchcanrunforuptoninemonths.
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AboutThisProduct
1
・SwitchingspeedoftheElectrophoreticDisplay
■Responseoftheelectrophoreticdisplay
・Reversemotionoftheblackandwhiteparticles
・
TheswitchingspeedoftheElectrophoreticDisplayisslowercomparedtoothertypesofdisplayssuchasLEDs.
 Especiallywhenthewatchisusedatalowtemperature,theswitchingspeedmaybecomeevenslower.
・
Waituntilthewatchfinishesswitchingitsdisplaybeforeproceedingtothenextoperation.
・ 
Inthetimedisplay,onceevery10minutesandeachtimewhenthemodeisswitched,theblackandwhite
particlesarereversed.Thisisnotamalfunction.(Thisisaprogrammedactiontomaintainthedisplayquality.)
CAUTION
■Displayatalowtemperature
Whenthewatchtemperaturedropsbelow-5℃,youwillseethedisplay
shownattheright.Insuchacase,movethewatchtoawarmplace
andwaitforawhileuntilthedisplayreturnstothenormaltimedisplay.
■Displayatahightemperature
Whenrechargingthewatch,donotplacethewatchinaplacewhereitwillbe
subjected tohightemperatures. When thewatchtemperaturerisesabove
50 ℃ ,thedisplaywillgoblank.If thishappens,press any button.Youwill
seethedisplayshownattheright.Insuchacase,movethewatchtoacool
placeandwaitforawhileuntilthedisplayreturnstothenormaltimedisplay.
99
AboutThisProduct
1Electrophoreticdisplay(EPD)
This watch utilizes aspecialElectrophoretic Display,thekindof
displaycommonlyreferredtoasElectronicPaperDisplay.Equipped
withadisplaydrivesystemcalledanactivematrixsystem,the
ElectrophoreticDisplayhasthefollowingdistinctivefeatures.
・Natural-lookingsmoothcharactersandfigures
・High-contrastblack-and-whitedisplaywithhighvisibility
・Wideviewingangleevenwhentilted
→Epdtechnology P151
98

AboutThisProduct
1
MiscellaneousInformationdisplay P106
Worldtimefunction P124
Alarmfunction P130
Howtoconductmanualreception
(Receptionbymanualoperation) P156
Howtosetthehometimecityanddst
(Daylightsavingtime) P120
Menudisplay
Youcancheckataglancethecurrentlydesignated
hometimecity,thenumberofactivatedalarms,and
radiosignalreceptionhistoryetc.
Styleselectionmode P108
Youcanchoosea style (design)of timedisplayso
thatthewatchmatchesyoursituationorpreference.
※Ifnobuttonispressedforapproximatelyoneminute,thedisplayreturnstothetimedisplay.
Howtomanuallysetthetimeanddate
(Year,monthanddate) P162
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AboutThisProduct
1Howtochangethemodesordisplays
Timedisplay
StyleSelectionMode
Seconddisplay
P107
BACK 
button
Frontbuttons
Built-inlight
button
Navigation
barfor
thefront
buttons
Toreturntothepreviousdisplay,presstheBACKbutton.
Pressitoncetoreturntothepreviousdisplay.
Holditdowntoreturntothetimedisplay.
104
AboutThisProduct
1
■Navigationbarforthefrontbuttons
Thenavigationwordsorsymbolswillappearabovethefrontbuttons
toletyouknowthefunctionofeachbuttonduringtheoperation.
Example:StyleSelectionMode
Navigationbar
Frontbuttons
Togo to the
MenuDisplay
P104
TogototheMiscellaneous
InformationDisplay
P106
Tochangethestyle
P108
103
AboutThisProduct
1Namesofthepartsandtheirfunctions
Solarpanel
Built-inlightbutton
Toturnthelighton
BACKbutton
Pressitoncetomovebackward.
Holditdowntoreturntothe
timedisplay.
Howtodisplaytheseconds
→P107
FRONTbuttons
→P103
Built-inantenna
Anantennaforradiowave
receptionis embedded
underneaththescreen.
→Aboutrecharging
P133
※ Thesizeandorientationofthefiguresintheillustrationsappearinginthisinstructionbookletmaydifferfromwhatyouseeonyourwatch.
102

AboutThisProduct
1
3
PresstheBACKbutton.
The watchreturnsto the
timedisplay.
Howtoreadthe
timeintheStyle5.
Example:10oʼclock
and8minutes
hour minute
※IftheBACKbuttonisnotpressed
forapproximatelyoneminute,the
watchautomatically returnsto
thetimedisplay.
※ The watch has variationsof
backgroundcolorsdepending
ontheselectedstyle.
Thewatchdisplaysthetime
intheselectedstyle(design).
BACK
button
Style5(playingcards)
Style1
※ TheStyle2and4donothavetheAM/PM,month,date,anddayoftheweekindications.
 TheStyle5doesnothavetheAM/PM,month,dateanddayoftheweekindicationsorthe24-hourformatdisplay.
109
AboutThisProduct
1
Howtochangethestyle(DESIGN)ofthetimedisplay
Youcanchooseastyle(design)oftimedisplaysothatthewatchmatchesyoursituationorpreference.
Inthetimedisplay,press
anyoneofthefrontbuttons.
※ If thewatch is notinthetime display,hold
downtheBACKbuttonfirsttogobacktothe
timedisplay,andthenpressanyfrontbutton.
1 2
 ThewatchenterstheStyleSelectionMode.
Witheachpressingof ,thestyle(design)willchange.
Thewatchhasfivedifferent
styles(designs)tochoosefrom.
Press toselectastyle(design).
Style2
Style4Style3
StyleSelectionMode
108
AboutThisProduct
1
Howtodisplaytheseconds
Inthetimedisplay,presstheBACKbuttontodisplaytheseconds.
Press toreturntothetimedisplay.
Ifnobuttonispressedforapproximatelyoneminute,
thewatchautomaticallyreturnstothetimedisplay.
BACK
button
TimeDisplay SecondDisplay
(Hour,minuteandseconddisplay)
107
AboutThisProduct
1
Howtocheckthesettingsofthewatch(Miscellaneousinformationdisplay)
The Miscellaneous Information Displayallowsyou tocheckat aglancethevarious
settingsof the watchincluding the designated hometimecity,thenumberofactivated
alarms,andtheradiosignalreceptionhistory.
Nameofthehometimecity・Timedifference
fromUTC
→Howtosetthehometimecityanddst
(Daylightsavingtime) P120
→UTC P126
ToshowtheMiscellaneousInformationDisplay→ Howtochangethemodesanddisplays P104
Monthanddateofthelatestsuccessful
radiowavereception
→Receptionhistorydisplay P122
Batterylifeindicator→P136
Numberof
activatedalarms
→Howtousethe
alarm P130
Currentdate,day
oftheweek,month
andyear
Currenttime
Ifthehometimecityisnotadequatelydesignated,
thewatchcannotreceiveradiowavesevenifitis
locatedwithintheradiowavereceptionrange.
DST(DaylightSavingTime)indicator
TheDSTappearsonlywhenthe
DSTisturnedon.
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HowtosettheTime,DateandDay(RadioSingalReception)
Ohtakadoya-yama
transmitting
station(40kHz)
Hagane-yama
transmitting
station(60kHz)
Approximately
1,000km
Approximately
1,000km
※ Evenifthewatchislocatedwithintheradiosignalreceptionrange,thewatchmayfailtoreceiveradiosignalsdependingonits
receptoinenvironmentwhichisofteninfluencedbyacombinationoffactorsincludingweather,terrain,buildings,directionetc.
→Conditionsinwhichthewatchmaybeunabletoreceiveradiosigbnals⇒P118
■Roughguideof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differentfrequencies.
Fukushima(Ohtakadoya-yamatransmittingstation:40kHz)
Kyushu(Hagane-yamatransmittingstation:60kHz)
Asaroughguide,radiosignalreceptionrangeiswithin
anapproximateradiusof1000kilometersfromthe
transmittingstation.
WhenTYO(Tokyo),SEL(Seoul)orHKG(HongKong)isselectedforthecitycode
ofthehometime,thewatchreceivesstandardfrequencysignalsofJapan.
※ WhilethewatchisreceivingstandardfrequencysignalsofJapan
(JJY),theJP40orJP60indecatorappearsonthedisplay
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HowtosettheTime,DateandDay(RadioSingalReception)
Receptionenvironment
Thiswatchcan receivestandard frequency signalsof Japan(twotransmitting stations),Germany,
theUnitedKingdomandtheUnitedStatesofAmerica.Bysettingthecitycodeofthehometime,you
canchoosethetransmittingstationfromwhichthewatchreceivesstandardfrequencysignals.
→Howtosetthehometimecityanddst(Daylightsavingtime)⇒P120
Japan（JJY）
P113 UnitedStates
ofAmerica
（WWVB）P116
United
Kingdom
(MSF)P115
Germany
(DCF77)P114
■Radiosignalreceptionrange
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HowtosettheTime,DateandDay(RadioSingalReception)
※ Unlessthecitycodeofthehometimeiscorrectlyset,thewatchmayfailtoreceiveradiosignals.Ensurethatthe
citycodeofthehometimeiscorrectlyset. →Howtocheckthesettingsofthewatch(Miscellaneousinformation
display) ⇒ P106
※ Thereceptionenvironmentwillofteninfluencewhetherthewatchsuccessfullyreceivesradiosignals. →To I m prove
radiosignalreception ⇒ P117 →Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals⇒P118
※ Thewatchisunabletoreceiveradiosignalsoutsidetheradiosignalreceptionrange →Radiosignalreception
range ⇒P112
・Manualreception
 Whenthiswatchcannotautomaticallyreceivearadiosignaldue to adifficult
receivingenvironment,itispossibletoreceivethemarbitrarilyatanytime.
 →Howtoconductmanualreception P156
・Automaticreception
  Thiswatchsetsthetime,dateanddaybyautomaticallyreceivingaradiosignalatafixedtime.Thiswatch
automaticallyreceivesaradiosignalat2:00AMand4:00AM.
 AutomaticreceptioniscarriedoutonlywhenthewatchiseitherintheTIMEmodeorintheWORLDTIMEmode.
■Automaticreceptionandmanualreception
※Whenthiswatchsuccessfullyreceivesaradiosignal,itwillstopautomaticrecetion.
・ Placethewatchinaplacewhereitcaneasilyreceivearadiosignalsuchasnearawindow.
・Whilethewatchisreceivingradiosignals,donotmoveit.
→ToImproveradiosignalreception P117
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HowtosettheTime,DateandDay(RadioSingalReception)
■Mechanismofradiosignalreception
SettingtheTime,DateandDaybyreceivingaradiosignal
The radio-controlledwatchdisplaysthe preciseTime,DateandDaybyautomatically
receivingandsynchronizingitselfwiththeradiosignalofanofficialstandardfrequency.
Transmitting
Station
Cesium
AtomicClock
Radio-controlledwatch
Receiveradiosignals
throughtheantenna
insidethewatch
↓
Analyzetime
information
↓
Displaythecurrent
Time,DateandDay
Officialstandard
frequency
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.
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Antenna
■ToImproveradiosignalreception
※ Ifthebutton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P112
・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12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.
117
2
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WWVBisoperatedbyNIST.
FortCollinsradiostation(60kHz),
Denver,Colorado
※NIST：NationalInstituteofStandardsand
Technology
Asaroughguide,radiosignalreceptionrangeiswithinanapproximate
radiusof1500kilometersfromthetransmittingstation.
■ Roughguideofradiosignalreceptionrange:UNITEDSTATESOFAMERICA(WWVB)
FortCollins
transmitting
station(60kHz)
Approximately1,500km
※ Evenifthewatchislocatedwithinthereceptionrange,thewatchmayfailtoreceiveradiosignalsdependingonitsreception
environmentwhichisofteninfluencedbyacombinationoffactorsincludingweather,terrain,buildings,directionetc.
→Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals⇒P118
WhenLAX(LosAngels),DEN(Denver),CHI(Chicago)orNYC(New
York) isselectedforthe city code of thehometime,thewatch
receivesstandardfrequencysignalsoftheUnitedStates.
※ Whilethewatchisreceivingstandardfrequencysignalsofthe
UnitedStates(WWVB),theUS60indicatorappearsonthedisplay.
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■ Roughguideofradiosignalreceptionrange:UnitedKingdom(MSF)
MSFisoperatedbyNPL.
NorthwestCumbria
Anthorntransmittingstation:60kHz
※NPL：NationalPhysicalLaboratory
Asa roughguide,radio signal receptionrangeis within an
approximateradiusof800kilometersfromthetransmittingstation.
Anthorntransmitting
station(60kHz)
Approximately800km
※ Evenifthewatchislocatedwithintheradiosignalreceptionrange,thewatchmayfailtoreceiveradiosignalsdependingonits
receptionenvironmentwhichisofteninfluencedbyacombinationoffactorsincludingweather,terrain,buildings,directionetc.
→Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals ⇒ P118
WhenLON(London),PAR(Paris),BER(Berlin),ATH(Athens),CAI(Cairo)or
UTC(UniversalTimeCoordinated)isselectedforthecitycodeofthehome
time,thewatchreceivesstandardfrequencysignalsoftheUnitedKingdom.
※Whilethewatchisreceivingstandardfrequency
signalsoftheUnitedKingdom(MSF),theUK60
indicatorappearsonthedisplay.
115
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HowtosettheTime,DateandDay(RadioSingalReception)
■ Roughguideofradiosignalreceptionrange:Germany(DCF77)
DCF77isoperatedbyPTB.
SoutheasternFrankfurt
Mainflingentransmittingstation:77.5kHz
※PTB：Physikalisch-TechnischeBundesanstalt
Asa roughguide,radiosignalreception range iswithinan
approximateradiusof700kilometersfromthetransmittingstation.
Mainflingen
transmitting
station(77.5kHz)
Approximately
700km
※
Evenifthewatchislocatedwithintheradiosignalreceptionrange,thewatchmayfailtoreceiveradiosignalsdependingonits
receptionenvironmentwhichisofteninfluencedbyacombinationoffactorsincludingweather,terrain,buildings,directionetc.
→Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals⇒P118
WhenBER(Berlin),ATH(Athens),CAI(Cairo),LON(London),PAR(Paris)
orUTC(UniversalTimeCoordinated)isselectedforthecitycodeofthe
hometime,thewatchreceivesstandardfrequencysignalsofGermany.
※While thewatch is receiving standardfrequency
signals ofGermany(DCF77), theGE77indicator
appearsonthedisplay.
114

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HowtosettheTime,DateandDay(RadioSingalReception)
SettingthehometimecityandDST(DaylightSavingTime)
3
■DST(DaylightSavingTime)
DSTstandsforDaylightSavingTime.
・Evenifthewatchcanreceiveradiowaves,itcannotautomaticallysettheDaylight
SavingTime.ItisnecessarytosettheDaylightSavingTimebymanualoperation.
DaylightSaving Timeisa systemof advancing thewatchonehourtoprolong daytimeduring longerdaylight
hoursinsummer.DaylightSavingTimeisobservedmainlyinEuropeandtheUnitedStates.Theareaorduration
ofDaylightSavingTimevariesdependingonthecountry.→Namesofthecitesandtimedifference P126
Toreturntothetime
display,holddownthe
BACKbutton.
HoldDown.
Press or toselectthenameof
thecityortimedifferencefromUTC.
Holditdowntofast-forwardby4cities.
Press or toturn
theDSTonoroff.
Settingthehometimecity
andtimedifferencefromUTC
SettingtheDST
(DaylightSavingTime)
Returningtothe
MiscellaneousSettingDisplay
121
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HowtosettheTime,DateandDay(RadioSingalReception)
Howtosetthehometimecityanddst(Daylightsavingtime)
2
Whenyouusethewatchinadifferentcityorregionthanusual,orwhenthetime
differencefromUTCchangesorDaylightSavingTimestartsor endsintheplace
youusethewatch,followtheproceduresbelowtochangethesettingsofthewatch.
1
Toshowt heMenuDisplay
→Howto changethemodes and
displays P104
IntheMiscellaneousSetting
Display,select 
andpress .
IntheMenuDisplay,
select
andpress .
MenuDisplay MiscellaneousInformationDisplay
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HowtosettheTime,DateandDay(RadioSingalReception)
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each
transmittingstation or becauseofa lightningstrike.Insuch acase,see eachstation's
websiteforfurtherinformationorcontactSEIKOCUSTOMERSERVICECENTER.
・Websitesoftransmittingstations(asofAugust,2010)
 Japan :NICT(JapanStandardTimeGroup)http://www.jjy.nict.go.jp/
 Germany :PTBhttp://www.ptb.de/en/org/4/44/442/dcf771e.htm
 UK :NPLhttp://www.npl.co.uk/
 USA :NISThttp://www.nist.gov/physlab/div847/grp40/wwvb.cfm
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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, b etwee n tall
buildings,underground.
・Insideavehicle,train,orairplane
Avoidputtingthewatch
insuchplaceswhenit
receivesradiosignals.
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Howtousetheworldtimefunction
3

4

※TheDSTcanbesetindividuallyfor
eachcityandregion.
→DST P121
Press or to
selectthecityof
whichyouwantto
seethelocaltime.
3Press tosetthe
DSTasneeded.
DSTindicator(DSTisON.)
Pressitonceto
advanceonecity.
Holditdowntofast-
forwardby4cities.
2
Pressanyoneof
thefrontbuttons.
Thenavigationbarforthe
frontbuttonsappears.
Navigationbar
※ IftheBACKbuttonispressed,orifnobuttonis
pressedforapproximatelyoneminute,thewatch
automaticallyreturnstotheWorldTimeDisplay.
Toreturntothetimedisplay,
holddowntheBACKbutton.
Holddown
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Howtousetheworldtimefunction
3
Howtousetheworldtimefunction(Howtoshowthecurrenttimearoundtheworld)
Thewatchcandisplaythecurrenttime(thelocaltime),month,dateand
dayoftheweekin32citiesandregionsaroundtheworld.
Thetimeinthehometimecityissimultaneouslydisplayed.
1
 ThewatchenterstheWorldTimeDisplay.
YoucanusethewatchintheWorldTimeDisplay.
＜ Hometime ＞
time,DST(DaylightSavingTime)
※Whenyouusethewatchinadifferentcityorregionthanusual,orwhenthe time
differencefromUTCchanges,thehometimeshouldbechangedaccordingly. →P120
※Thehometimeandlocaltimecanbeswitched. →P128
ToshowtheMenuDisplay→Howtochange
themodesanddisplaysP104
IntheMenuDisplay,select andpress .
Menudisplay WorldTimeDisplay
cityname
timedifferencefromUTC
 Month,date,dayoftheweek,time
＜ localtime ＞
※  WhentheDST(DaylightSaving
Time)isturnedonforthelocal
time, willalsoappear.
124
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HowtosettheTime,DateandDay(RadioSingalReception)
Checktheyear,month,date,timeofthelatestsuccessfulradiowavereception,and
thetransmittingstationandcountryfromwhichthewatchreceivedtheradiowaves.
Thetransmittingstationandits country will
beshowninoneofthesedisplays.
Transmitting
stationandits
countryfromwhich
thewatchreceived
theradiowaves
Year,month,date,
timeofthelatest
successfulradio
wavereception
Transmit t ing
stations
Namesofthe
countries
Screenshots
JJY
40kHz Japan
JJY
60kHz Japan
DCF77 Germany
MSF TheUnited
Kingdom
WWVB TheUnited
States
Toreturntothetimedisplay,
holddowntheBACKbutton.
Holddown
3
123
2
HowtosettheTime,DateandDay(RadioSingalReception)
Receptionhistorydisplay
Youcancheckthedetailsofthelatestradiowavereception.
Youcanalsocheckthemonthanddateofthelatestradiowavereceptioninthe
Miscellaneousinformationdisplay. →P106
2
1
Toshowt heMenuDisplay
→Howtochangethemodes
anddisplaysP104
IntheMenuDisplay,
select 
andpress .
Select
andpress .
RadioWaveReceptionMode MenuDisplay
122

Howtousetheworldtimefunction
3
Press toselectHomeorLocal,andpress .
3
Hometime:Tokyo
Localtime:NewYork
Hometime:NewYork
(DSTON)
Localtime:Tokyo
※ Whenthehometimeandlocaltimeareswitched,theDST
settingwillbecarriedoveralongwiththetimesetting.
Witheachpressingof ,HomeorLocalisselectedalternately.
Press toswitch
Toreturntothetime
display,holddownthe
BACKbutton.
Holddown
Returningtothe
MiscellaneousSettingMode
Timeinthehometimecity
andtheDST(Daylight
SavingTime)setting
Timeinthehometimecity
andtheDST(Daylight
SavingTime)setting
129
Howtousetheworldtimefunction
3
Thehometimeandlocaltimecanbeswitched.
Howtoswitchthehometimeandlocaltime
21
Toshowt heMenuDisplay
→Howto changethemodes
anddisplays P104
IntheMenuDisplay,
select and
press .
IntheMiscellaneousSetting
Mode,select
andpress .
MenuDisplay MiscellaneousSettingMode
128
Howtousetheworldtimefunction
3
UTC:CoordinateUniversalTime
UTCistheuniversalstandardtimecoordinatedthroughinternationalagreement.Itisused
astheofficialtimearoundtheworld.
※  ThetimedifferencesanduseofDaylightSavingTimeineachareaaresubjecttochangeaccordingtothegovernmentsof
therespectivecountriesorregions.
※ Insomeregions,timezonesthatdifferfromUTCbyhalf-orquarter-hourtimedifferencesareestablished.(Forexample,somepartsofIndia.)
Citycodes Citynames Namesofthecountriesorregions TimedifferencefromUTC Receivableradiowaves
HONGKONG HongKong China 8hours JJY40/60
SEOUL Seoul Korea 9hours JJY40/60
TOKYO Tokyo Japan 9hours JJY40/60
ADELAIDE Adelaide ★ Australia 9.5hours −
SYDNEY Sydney ★ Australia 10hours −
NOUMEA Nouméa NewCaledonia 11hours −
WELLINGTON Wellington ★ NewZealand 12hours −
HONOLULU Honolulu UnitedStates -10hours −
ANCHORAGE Anchorage ★ UnitedStates -9hours −
LOSANGELES LosAngels ★ UnitedStates -8hours WWVB
DENVER Denver ★ UnitedStates -7hours WWVB
CHICAGO Chicago ★ UnitedStates -6hours WWVB
NEWYORK NewYork ★ UnitedStates -5hours WWVB
SANTIAGO Santiago ★ Chile -4hours −
RIODEJANEIRO RiodeJaneiro ★ Brazil -3hours −
AZORES Azores ★ Azores -1hour −
127
Howtousetheworldtimefunction
3
Citynamesandtimedifference
DaylightSavingTimeisobservedinthecitiesofregionswitha★mark.(AsofAugust2010) →DST(DaylightSavingTime) P121
CityCodes CityNames Namesofthecountriesorregions TimedifferencefromUTC Receivableradiowaves
UTC − CoordinateUniversalTime DCF77/MSF
LONDON London ★ UnitedKingdom 0hour DCF77/MSF
PARIS Paris ★ France 1hour DCF77/MSF
BERLIN Berlin ★ Germany 1hour DCF77/MSF
ATHENS Athens ★ Greece 2hours DCF77/MSF
CAIRO Cairo ★ Egypt 2hours DCF77/MSF
MOSCOW Moscow ★ Russia 3hours −
BAGHDAD Baghdad Iraq 3hours −
TEHRAN Teheran ★ Iran 3.5hours −
DUBAI Dubai
UnitedArabEmirates 4hours −
KABUL Kabul Afghanistan 4.5hours −
KARACHI Karachi Pakistan 5hours −
DELHI Delhi India 5.5hours −
DHAKA Dhaka Bangladesh 6hours −
YANGON Yangon Myanmar 6.5hours −
BANGKOK Bangkok Thailand 7hours −
※Thewatchautomaticallytunesintothetransmittingstationaccordingtothedesignatedhometimecity.
→Howtocheckthesettingsofthewatch(Miscellaneousinformationdisplay) P106
126

5
ChargingtheSolarBattery
■Howtochargethebattery
Tochargethebattery,exposethesolarpaneltolight.
Howtocharge
※Whenrechargingthebattery,makesurethatthewatchisnotheatedtoahightemperature(The
operationaltemperaturerangeofthewatchisbetween-5ºCand+50ºC.)
※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P134
Toensureoptimalperformanceofthewatch,makesure
thatthewatchiskeptsufficientlychargedatalltime.
Underthe following conditions,itisvery likely thatthe
batterywillrundownduetoinsufficientbatterycharge.
・Whenthewatchisconcealedunderlongsleeveshirts
・If thewatchisused or storedcontinuallyunder
conditionswhereitcannotreceivesufficientlight
Solarpanel
133
Howtousethealarm
4
Howtotestthealarmsound
2 3
 Thealarm soundsfor
10seconds.
Youcantestthealarmsoundfor10seconds.
ToshowtheMenuDisplay
→ Howtochangethe
modesanddisplays
 P104
IntheMenuDisplay,
select ,
andpress .
Select ,
andpress .
Press .
1
Toreturntothetime
display,holddownthe
BACKbutton. Holddown
MiscellaneousSettingMode MenuDisplay
132
Howtousethealarm
4
Whenthetimereachesthedesignatedalarmtime,thealarmsoundsfor10seconds.
Tostopthealarm,pressanybutton.
※Youcantestthealarmsound. →Howtotestthealarmsound P132
※Ifthealarmsoundswhilethewatchisreceivingradiowaves,thereceptionwillbeterminated.
1-timestandsfor1-timealarm,
whichsoundsonlyonce.
DailystandsforDailyalarm,
whichsoundseveryday.
Witheachpressingof ,theselectablesegmentwillbeactivated.
Press or tochoosethedesiredalarmtype. Press or tosettheminute.
To return to t he
timedisplay,hold
downthe BACK
button.
Holddown
Pressitoncetoadvanceby
oneminute.
Holditdowntofast-forward.
Minutesetting
1-timealarmor
Dailyalarmsetting
ReturningtotheAlarmSettingMode
※ Thealarmwillbeturnedon.
131
Howtousethealarm
4
Howtousethealarm
Uptothreedifferentalarmtimesthatsoundsateachdesignatedtimecanbeset.
Youcanselect either1-timealarm,whichsounds onceatthedesignatedtime,or
theDailyalarm,whichsoundsatthedesignatedtimeeveryday.
Whenthehometimereachesthedesignatedalarmtime,thealarmsounds.
2Settingthe
alarmtime.
3
Witheachpressingof , the
alarmisalternatelyturnedonoroff.
ON OFF
ToshowtheMenuDisplay
→
Howtochangethe
modesanddisplays
P104
IntheMenuDisplay,
select and
press .
1
Press to
selectthedesired
alarmtype.
Press or tosetthehour.
Pressitoncetoadvanceby
onehour.
Holditdowntofast-forward.
MenuDisplay AlarmSettingMode Hoursetting
130

5
ChargingtheSolarBattery
Blank
Blank
Extremelylow Nocharge
Built-inlightwillbedisabled.
Buttonoperation/Radiowavereceptionwillbesuspended.
Built-inlightandalarmwillbedisabled.
Rechargethewatchsufficiently
until the batterylifeindicator
appearslike .
Afterrechargingthewatch,you
canstartusingthewatch.
→Howtochargethewatch.
P133
①Rechargethewatchsufficientlyuntilthebattery
lifeindicatorappearslike .
→ Howtochargethewatch. P133
②
Conductmanualreceptionorsetthetimemanually.
→Howtoconductmanualreception(Receptionby
manualoperation) P156
→Howtomanuallysetthetimeanddate(Year,
monthanddate) P162
Ifyouseeanabnormaldisplay,resetthebuilt-inIC.
→Abnormaldisplayorimproperfunction P178
Followtheinstructions ① and ② .
※Batterylifeindicatordoesnotappearinthetimedisplay.GototheStyleSelectionModeortheWorld
TimeDisplaytochecktheremainingbatterylevel
137
5
ChargingtheSolarBattery
BatteryLifeIndicator,which
appearsattheupper-rightcorner
ofthescreen,letsyouknowthe
approximateremainingbatterylevel.
Indication
Remainingbatterylevel High Medium
Disabled
operationsor
functions
No No
Solutions
Youcan
usethe
watch
asitis.
Rechargingis
recommended.
→Howtocharge
thewatch.
P133
Howtochecktheremainingbatterylevel
Blank
BatteryLifeIndicator
Example:MiscellaneousInformationDisplay
Theremainingbatterylevelcanbe
checkedintheStyleSelectionMode
ortheWorldTimeDisplay,aswell.
136
5
ChargingtheSolarBattery
Oncefullycharged,thewatchcanrunforuptoninemonths
evenwithoutadditionalexposuretolightforrecharging.
※Frequentuseofthebuilt-inbacklightwillquicklyconsumethebattery.
※Beforeusingthewatchforthefirsttimeorafterthewatchstoppedduetobatterydepletion,
chargethewatchsufficientlyenough,referringtothetableontheleftpage.
・Built-inbacklightilluminated………  Oncefor3seconds
・Alarmsounds ………………………… For10seconds
・ Automaticreceptionconducted …… For10minutes
・ PowerSavefunction(POWERSAVE)activated …… For6hours
・Conditionofuseforoneday
135
5
ChargingtheSolarBattery
■Standardchargingtime
※Thetimerequiredtochargethewatchmayslightlyvarydependingonthemodelofthewatch.
Whenchargingthewatch,usethetablebelowasachargingtimeguide.
Indication
Extremelylow
中
く
ら
い
Medium
十
分
High
Chargingtime
torunthe
watchforone
day
Indoorunderfluorescent
light500LUX
Bythewindowon
sunnyday
10,000LUX
Bythewindowon
cloudyday
5,000LUX
Outdooronsunny
day100,000LUX
Remainingbatterylevel
Approximately 37 hours
Approximately
71 hours
Approximately
139 hours
−−
Approximately
1hour
Approximately
2.5hours
Approximately
31hours
Approximately
74hours
Approximately
24hours
Approximately
45hours
Approximately
58hours
Approximately
12hours
Approximately
23hours
Approximately
50hours
Approximately
6minutes
Approximately
19minutes
Approximately
35minutes
Approximately
8hours
134

ToPreservetheQualityofyourWatch
6
Thecasebackshowsthecaliberandperformanceofyourwatch
Calibernumber
Thenumbertoidentify
thetypeofyourwatch
Waterresistant
performance
Refertopages
P142
※ Thefigureaboveisoneexample.Performanceofyourwatchisdifferentfromabovesample.
Performanceandtype
141
ToPreservetheQualityofyourWatch
6
● Thewatchrequiresgooddailycare
・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 first,
andthemsoakthewatchinthewatertowashit.
Performanceandtype → P141
Waterresistance → P142
Dailycare
140
5
ChargingtheSolarBattery
SLEEP
SLEEP
【SLEEP】appears.
Nobuttonhasbeenpressedwhilethewatch
remainsindarknessforapproximatelythreedays.

Automaticradiowavereceptionwillbeconductedonlyattwoo'clockinthemorningonodddays.
Alarmsoundwillbedisabled.
※ WhenthewatchremainsattheSLEEPstatusforalongtime,thebatterywillrundown.
Whenthewatchisexposedtolightoranybuttonispressed,the
PowerSavefunctionwillbecancelled.
139
5
ChargingtheSolarBattery
Powersave(Powersaveandsleep)
Ifnobutton ispressedwhilethewatchremainsindarkness,the
PowerSaveModeisactivatedtoreducetheenergyconsumption.
Indication POWERSAVE
Status
【POWERSAVE】appears.
Nobuttonhasbeenpressedwhilethewatch
remainsindarknessforapproximatelyonehour.
Disabledoperations
orfunctions None
Solutions
Whenthewatchisexposedtolightorany
buttonispressed,thePowerSavefunction
willbecancelled.
SLEEP
138

ToPreservetheQualityofyourWatch
6
● 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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6
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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6
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
WARNING
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ToPreservetheQualityofyourWatch
6
Referthetablebelowforthedescriptionofeachdegreeof
waterresistantperformanceofyourwatchbeforeusing.
（Referto"P141"）
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
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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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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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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
Pin Adjustmenthole
1 2
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.
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6
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 →P147 BType →P148
CType →P150
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ToPreservetheQualityofyourWatch
6
※ Referto"Standardchargingtime"onP134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50℃ .
NOTICE
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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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ToPreservetheQualityofyourWatch
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Epdtechnology
afewdozenμｍ
whiteparticles
blackparticles
Top transparent
electrode
Bottomelectrode
・Theprincipalcomponentsofelectronicinkaremillionsoftinymicrocapsules,about
thediameter ofa humanhair. Eachmicrocapsulecontainsnegatively charged
whiteparticlesandpositivelychargedblackparticlessuspendedinaclearfluid.
Microcapsule
・
Whenanegative electric fieldisapplied, the whiteparticles movetothe top ofthe
microcapsulewheretheybecomevisibletotheuser.Thismakesthesurfaceappearwhiteat
thatspot.Atthesametime,anoppositeelectricfieldpullstheblackparticlestothebottom
of themicrocapsules where theyarehidden.Byreversing this process,theblackparticles
appearatthetopofthecapsule,whichnowmakesthesurfaceappeardarkatthatspot.
※ TheElectrophoreticDisplaymaygraduallydeteriorateoverlong-termuse.Ifyoufind a decreaseincontrastor
readabilityofthedisplay,contacttheretailerfromwhomthewatchwaspurchasedandhavetheElectrophoretic
Displayreplacedwithanewone.YouwillberesponsibleforthecostofreplacementoftheElectrophoreticDisplay.
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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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Troubleshooting
7
3Select ,andpress .
＜ WhenyouseeanOutOfServicemessageonthescreen ＞
Continuedonthenextpage
Thewatchstartsreceivingradiowaves.
※ Whilethewatchisreceivingradiowaves,keepthewatchstationary.
 Thewatchcannotreceiveradiowavesifitismovedduringreception.
Screenshotsduringradio
wavereceptionareshown
onthenextpage.
You will see this message if the designated home
timecityisoutoftheradiowavereceptionrange.
Thewatchcanreceiveradiowavesonlywhenthehometime
city is designatedfor acity, suchas Tokyo,within aradiowave
receptionrangeinwhichtheradiowavereceptionfunctionworks.
→  Radiowavereceptionrange Japan P113, Germany P114,
 UnitedKingdom P115, UnitedStates P116
Designatedhometimecity
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Troubleshooting
7
Placethewatch.
Howtoconductmanualreception(Receptionbymanualoperation)
Putthe watch ataplacewith
agoodreceptionenvironment.
→ ToImproveradiosignalreception P117
→ Environmentsinwhichitisdifficult to
receivearadiosignal P118
※ Thewatchcannotreceiveradio
waveswhenitislocatedoutside
theradiowavereceptionrange.
→ "Radiowavereceptionrange" P112
2
Ifthehometimecityisnotadequatelydesignated,
thewatchcannotreceiveradiowaves.
→  Howtocheckthesettingsofthewatch
(Miscellaneousinformationdisplay) P106
ToshowtheMenudisplay
→Howtochangethemodesand
displays P104
IntheMenudisplay,select 
andpress .
Menudisplay
1
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ToPreservetheQualityofyourWatch
6
・Periodic inspection andadjustmentby disassemblyandcleaning
(overhaul)are 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digitaldisplaymaygooutduetoliquid
leakage.
・As the partssuchas the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.
● Inspectionandadjustmentbydisassemblyandcleaning(overhaul)
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6
After-salesservice
・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
・Therepairpartsofthiswatchwillberetainedusuallyfor7years.
・Somealternativepartsmaybeusedforrepairifnecessary.
● Repairparts
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Q： Mywatchdoesnotcorrecttimeimmediatelyaftermanualreception.Whydoesthishappen?
A： Itmaytake17minutesatthelongestforyourwatchtocompletereceivingradiowaves.
Ittakesoneminuteineachinstanceforcompletetimeandcalendar data tobetransmitted.Inorder
tosynchronize,thewatchmustreceiveanentiresequenceofdata. Asreceptioninterferenceoften
occursduetovarioussourcessuchasradionoise,thewatchis designedto repeatreceivingradio
wavesseveraltimestoverifycorrectdata.Therefore,ittakessometimeforthewatchtocompletea
reception.Additionally,a poorreception environmentmay prolong the duration of reception. While the
watchisreceivingradiowaves,remembernottooperateanybuttonsandkeepyourwatchstationary.
Q：WhatshouldIdoforsuccessfulreception?
A：
The strength of standard radio waves is affected byvariousfactorssuchasdistancefromthe
transmitting station, surrounding geographical features includingnearby buildings,or weather
conditions.Asthewatchisdesignedtoconductautomaticreceptionatmidnight,itisagoodidea
to place the watch by a window facing the direction of the transmitting station before you go to
bed.Whenyouconductmanualreception,trylookingforaplacewithagoodreceptionenvironment.
■RadiowavereceptionQ&A
Q：Whenwillmywatchreceiveradiowaves?
A：
Standardradiowavesaretransmittedalmost24hoursaday.Butyourradio-controlledwatchdoes
notreceiveradiowavesallday.Thewatchisdesignedtoconductautomaticreceptionafewtimes
atmidnightwhenradiowavesaregenerallystronger.Whilethewatchisnotreceivingradio waves,
itsaccuracyiskeptbythequartzmovementwithmonthlyaccuracywithin15seconds.
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Toimproveradiowavereception
・ Movethewatchtoadifferentplaceortryrotatingthewatchtochangeitsorientation.
・ Ifthehometimecityisnotadequatelydesignated,thewatchcannotreceiveradiowaves.
Even in the same location, the radio wave reception environmentchanges
dependingonthetimeoftheday.Radiowavereceptionisgenerallyeasieratnight.
Youwillseethismessageifthedesignatedhometimecityisoutsidetheradiowavereceptionrange.Checkthe
hometimecitysetting. →Howtocheckthesettingsofthewatch(Miscellaneousinformationdisplay)P106
・ Whenyouusethewatchinaplaceorregionwherethewatchcannotreceiveradiowavesorifyoufindyourwatchcannot
receiveradiowaves,manuallysetthetime. →Howtomanuallysetthetimeanddate(Year,monthanddate)P162
Evenifthewatchiswithintheradiowavereceptionrange,radioreceptionmaybeobstructeddependingonconditionssuchasweather,
surroundinggeographicfeatures,buildingsordirection.Referto"Environmentsinwhichitisdifficulttoreceivearadiosignal"on P118.
 Ifthewatchislocatedoutsidethereceptionrange,itcannotreceiveradiowaves. →RadiosignalreceptionrangeP112
 Checkthehometimecitysetting.
・ Tryreceivingradiowavesatadifferenttimeoftheday.(Manualreception)
・ WhenyouseeanOutOfServicemessageonthescreenduringmanualreception
 Thewatchcanreceiveradiowavesonlywhenthehometimecityisdesignatedforacity,suchasTokyo,withinaradiowavereceptionrange
inwhichtheradiowavereceptionfunctionworks.→RadiosignalreceptionrangeJapanP113,GermanyP114,UnitedKingdomP115,UnitedStatesP116
→Howtocheckthesettingsofthewatch(Miscellaneousinformationdisplay)P106
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5Whenyouhearableep,checkthereceptionresult.
Receptionwas
successful.
Bleep
Receptionwas
notsuccessful.
Bleep
※Whenthewatchcannotreceiveradiowaves →P160
※Ifthewatchislocatedoutsidethereceptionrange,itcannotreceiveradiowaves.
→RadiowavereceptionrangeP112
OK
NG
Toreturntothetime
display,holddownthe
BACKbutton.
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Adifferentdisplaywillappear
dependingonthetransmitting
stationfromwhichthewatch
isreceivingradiowaves.
Whilethe watch isreceiving
radiowaves, you willseeone
ofthosedisplaysshownin
thetableattheright.
4
Waitforseveralminutes,leavingthewatchunmoved.
Ittakestimetocompletethereception(17minutesat
thelongest)dependingonthereceptionenvironment .
※ Whilethewatchisreceivingradiowaves,keepthewatchstationary.
 Thewatchcannotreceiveradiowavesifitismovedduringreception.
Screenshotsduringreception
※Tocancelthe reception, pressanybutton.Andthen,
presstheBACKbuttontogobacktothestep 3.
Ifthehometimecityisnotadequatelydesignated,
thewatchcannotreceiveradiowaves.
→ How to check the settings of the watch
(Miscellaneousinformationdisplay) P106
Transmitting
stations
Namesofthe
countries
Screenshots
JJY
40kHz Japan
JJY
60kHz Japan
DCF77
Germany
MSF
TheUnited
Kingdom
WWVB
TheUnited
States
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Press
simultaneouslywitha
timesignal.
Tocontinuetothedatesetting,gotothenextpage.
Youcanseethe
secondcounting.
Settingthesecond
5
Toreturntothetimedisplay,
holddowntheBACKbutton.
Holddown
Secondsetting Countingstarts
ReturningtotheManual
TimeSettingMode
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Settingthehourandminute
4
Press or
tosetthehour.
Witheachpressingof ,theselectablesegmentwillbeactivated.
分を合わせるときは、1 分程度進めて合わせてください。
Minutesetting
Thisactionwillhavethesameeffectasstep 5,whenthe
watchstartsmovingfrom0second.
Press or 
toresetthefiguresto00.
Press or to
settheminute.
※IfyoupresstheBACKbuttonafterpressing or ,the
watchimmediatelystartsmovingfrom0seconds.
Hoursetting
※  IfyoupressENTERortheBACKbuttonwithoutpressing or .
thewatchreturnstothestep
3
.
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7
2
MiscellaneousSettingMode
3
ManualTimeSettingMode
Continuedonthenextpage
Ifyouonlywanttosetthedate,
gotostep 6onP166.
IntheMiscellaneousSetting
Mode,select and
press .
Press toselectthe
timeindicationformat.
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Howtomanuallysetthetimeanddate(Year,monthanddate)
1
※Evenifthewatchcannotreceiveradiowaves,its
accuracy is kept by  the quartz movement with
monthlyaccuracywithin15seconds.
→"Radiowavereceptionrange"P112
・
Whenyoustart usingthewatchina radiowave
receivableenvironment, letthe watchreceive
radiowavessothatitcansetthetimeanddate.
→Automaticreceptionandmanual
reception P111
※Ifthewatchreceivesradiowavesafterthetime
anddateweremanuallyset,itwillindicatethe
timeanddateobtainedbythereception.
Whenyouusethewatchcontinuously
outsidethereceptionrangeorinaplaceor
regionwherethewatchcannotreceiveradio
waves,manuallysetthetimeanddate.
■Settingthetime
※Whenthe watch setsthetimeanddateafterit
successfullyreceivedradiowaves,you do not
havetomanuallyadjustthetimeanddate.
ToshowtheMenuDisplay
→Howtochangethe
modesanddisplays
P104
IntheMenuDisplay,
select and
press .
MenuDisplay
162