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.
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2
HowtosettheTime,DateandDay(RadioSingalReception)
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.
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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.
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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
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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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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.
118

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.
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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
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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