Seiko 3B51 - How to Set the Time after Resetting the Built-In IC; In Case of an Abnormal Movement; Specifi Cations

145
1 . Basicfunction ･････････････  Maintimewiththreehands(hour,minute,andsecondhands)
2.Frequencyofcrystaloscillator･･32,768Hz(Hz=Hertz...Cyclespersecond)
3.Loss/gain(monthlyrate)････････Loss/gain±15seconds(Exceptthecasewhenthewatchisusedwithoutan
automatictimesettingbyreceivinga radiosignalandwhenitiswornonthe
wristwithinanormaltemperaturerangebetween5°Cand35°C).
4.
Operationaltemperaturerange ･･Between-10 ºCand+60ºC
5.Drivingsystems･････････････････Stepmotor
(Hourandminutehands/secondhand)
6.Powersource････････････････････Secondarybattery,1piece
7.Durationofoperation････････････Approximatelysixmonths(Fullycharged,andthePowerSaveisnotactivated).
※IfthePowerSaveisactivatedafteritisfullycharged,thewatchcontinuesto
runforapproximatelyoneyearandhalfatmaximum.
8.
TimesettingbyreceivingtheJJY-LFradiosignal ･Automaticreception(at2:00AMand4:00)
※Receptionattemptsdependontheradiosignalreceivingconditions.
※After havingreceived a radiosignal,thewatchwillstarttomovedepending
onthequartzmovementuntilthenextreception.
※Manualreceptionisalsopossible
9.IC(IntegratedCircuit)･･･････････Oscillator,frequencydivideranddrivingcircuitC-MOS-IC,3pieces
※ Thespecificationsaresubjecttochangewithoutpriornoticeforproductimprovement.
Specifications
144
Specifications
8
143
Troubleshooting
7
 Atthemomentthecrownispushedin,thewatch
startsmovingfrom0hour0minuteand0second.
Whenallthehandsstoppointingatthe
0-secondposition,pushthecrownin.
3
Pushthe
crownin.
AfterresettingtheIC,thetimezoneis
settoTokyo(Japan.)
AutomaticSignalReception
→page126
Whenthewatchisusedinconditionsin
whichthewatchmaynotbeabletoreceive
aradiosignal,setthetimemanually.
→HowtoManuallySettheTimepage128
Conductautomaticsignal
receptiontosetthetime.
4
Aftertheprocedurefrom1to3havebeen
completed,itisnecessarytosetthetime.
Whenthetimeisset,the
operationiscompleted.
※Ifyourwatchhas
ascrewlocktype
crown,lockit.
→page87
INCASEOFANABNORMALMOVEMENT
142
Inthecasethatthewatchmovesabnormallyorthatthewatchdoesnotmoveatone-secondintervals
evenafterfullychargingthebattery,performtheproceduresfrom(1)-(4)tore-establishnormalfunction.
PullouttheCrown.

Infivesecondsafterreleasingthebuttons,thesecondhandstarts
movingandstopsatthe0-secondposition.Thenthehourandminute
handswillstarttomoveandstoppointingatthe0-secondposition.
KeepholdingdowntheButtonfor
threeseconds,andthenreleaseit.
※Thesecondhand willkeepmoving
afterthecrownispulledout.
1 2
Pullout
the
Crown.
Troubleshooting
7
Keepholding
downtheButtonfor
threeseconds,and
thenreleaseit.
■HowtoSettheTimeAfterResettingtheBuilt-inIC
※ Ifyourwatchhas
ascrewlocktype
crown,unlockit.
→page87
※TopresstheButton,
useanobjectwith
alongtaperedtip.
page86