Seiko 7B24 User manual

*Lengthadjustmentserviceformetallicbandsisavailableatthe

retailerfromwhomthewatchwaspurchasedor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.

Keepthismanualhandyforeasyreference.

1.AboutThisProduct

　Handingcautions……………………… 84

　Features ………………………………… 86

　Displayandbuttonoperation ……… 88

　HowtouseButtonB ………………… 90

　Crown …………………………………… 91

2.BeforeUse

　Beforeuse ……………………………… 92

　　Checkingthechargingstatus…… 92

　　Checkingthetimeanddate …… 93

HowtoSettheTimeandDate(RadioSignalReception)

Settingthetimeanddatebyreceivingaradiosignal

…94

Mechanismofradiosignalreception

…94

Automaticreceptionandmanualreception

… 95

　　Aboutreceptionconditions……… 96

Radiosignalreceptionrange：InJapan(JJY)

…… 96

Radiosignalreceptionrange：InChina(BPC)

… 97

Radiosignalreceptionrange:IntheUnitedStates(WWVB)

…98

Toenablethewatchtoeasilyreceivearadiosignal

…99

Environmentsinwhichitisdi󱐰culttoreceivearadiosignal

 …100

Howtocheckthereceptionstatus

 …102

Howtodisplaythereceptionresult

 …102

4.

TimeZoneAdjustmentFunction(Selectingtransmittingstation)

Whatisthetimezoneadjustmentfunction?

 …104

Featuresoftimezoneadjustmentfunction

 …104

Questionsandanswersregardingtimezoneadjustmentfunction

 …105

Howtosetthetimezone(Selectingtransmittingstation)

 …106

Listofmajortimezonesaroundtheworld

 …108

Contents

5.SolarChargingFunction

　Aboutcharging ………………………110

　　Howtochargethewatch ………110

Theindicationtimeforchargingthewatch

 …111

　Aboutenergy …………………………112

Energydepletionforewarningfunction

 …112

　　Powersavefunction ………………113

6.

ToPreservetheQualityofYourWatch

Topreservethequalityofyourwatch

 …114

　　Dailycare ……………………………114

　　Performanceandtype ……………115

　　Waterresistance …………………116

　　Magneticresistance ……………120

　　Band……………………………………122

　　Specialclasps ………………………124

　　Lumibrite ……………………………129

　　Powersource ………………………130

　　Guarantee ……………………………132

　　After-salesservice ………………134

7.Troubleshooting

Howtoconductmanualreception(Receivingaradiosignalmanually)

…136

Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals

 …138

　　Howtomanuallysetthetime …138

　　Howtomanuallysetthedate …140

　Preliminaryposition …………………142

Thingsaroundyouwhichgeneratemagnetism

 …143

Howtosetthepreliminaryposition

 …144

Settingthepreliminarypositionofthedate

 …144

Settingthepreliminarypositionsofthehourandminutehandsmanually



…146

　Troubleshooting ………………………148

Incaseofanabnormalmovement

 …156

HowtoresettheBuilt-inICsystem

 …156

8.Specications

　Specications …………………………162

・

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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.

※

ImmediatelyconsulttheretailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMERSERVICECENTER.

Handlingcautions

AboutThisProduct

・Avoidthefollowingplacesforwearingorkeepingthewatch.

　○

Placeswherevolatileagents（cosmeticssuchaspolishremover,bugrepellent,thinnersetc.）arevaporizing

　○

Placeswherethetemperaturedropsbelow5℃orrisesabove35℃foralongtime



○ Placesofhighhumidity

　○

Placesa󱐯ectedbystrongmagnetismorstaticelectricity

 ○ Dustyplaces

　○ Placesa󱐯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

 ○ 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.

Toindicatetherisksoflightinjuriesormaterialdamagesunlessthefollowingsafety

regulationsarestrictlyobserved.

AboutThisProduct

Features

Thissolar-driveandradio-controlledwatchisequippedwitharadiosignaladjustmentfunction.

・

Thewatchisoperatedbyusing“electricenergy”whichisconvertedfromthelightreceivedbythesolarpanel.

・

Thiswatchdisplaystheprecisetimebyreceivingradiosignalsconveyingtimeinformation.Itcanreceiveo󱐰cialstandardfrequencies

fromJapan(fromeitheroftwotransmittingstations),thePeople'sRepublicofChina,andtheUnitedStatesofAmerica.

■

RadioSignalReceivingFunction･････････････････････････ Thiswatchadjuststhetimeandthedatepreciselybyautomatically

receivingradiosignalsdaily.

   Inaddition,radiosignalscanbeforciblyreceivedwithmanual

operation.

   Thiswatchcanreceiveofficialstandardradiosignals　fromJapan

(from2transmittingstations),China,andtheUnitedStates(the

transmittingstationforreceivingradiosignalscanbeselectedusing

thetimezoneadjustmentfunction).

■

DisplayFunctionofRadioSignalReceptionLevel･･･････ Themovementofthesecondhandindicatestheradiosignal

receptionlevelduringradiosignalreceptionattempts.

■

DisplayFunctionofRadioSignalReceptionResults･････ Themovementofthesecondhandindicatesradiosignalreception

results(Yes/No).

→

pages94–101

→

page137

→

page102

AboutThisProduct

■

TimeZoneAdjustmentFunction

…

(SelectingTransmittingStation)

→ pages104-109

■

SolarChargingFunction

…

→pages110-111

■

EnergyDepletionForewarningFunction

…

→ page112

■

PowerSaveFunction…

→ page113

■

AutomaticHandPositionAlignmentFunction

…

→page142

Thiswatchcandisplaylocaltimearoundtheworldby

settingtheappropriatetimezone.Inaddition,setting

thetimezoneenablesthewatchtoreceiveofficial

standard radio signals to set the time if the watch is

worninaradiosignalreceptionrange.

Asolarcellunderneaththedialconvertsanyform

oflightintoelectricalenergytochargeit.Oncefully

charged,thewatchcontinuestorunforapproximately

sixmonths.

Themovementofthesecondhandindicatesthatthe

batteryshouldbecharged.

Thiswatchisequippedwithafunctionwhichcan

suppressenergyconsumptionwhenitisleftwithout

receivinganadequatelightsourceforacertainlength

oftime.

Whenthehandpositionsdisplayanincorrecttimeas

aresultofexternalinfluencessuchasmagnetism,the

watchautomaticallycorrectsthehandmisalignment.

【Receptionresultconrmation】→ page102

【Manualreception】→ page136

【Timezoneadjustment】→ page106

【Manualtimeanddatesetting】→ page138

Firstclick【Manualdatesettingmode】→ page140

Secondclick【Manualtimesettingmode】→ page138

【Timezoneadjustmentmode(setting

thetimetoalocaltimeabroad)】→ page106

ButtonB

Crown

ButtonA

Minutehand

Hourhand

Secondhand

Date

Displayandbuttonoperation

012 ※Incase ofascrewlock typecrown,when

thecrownisunlocked,itisatthe0-click

position.

AboutThisProduct

ReceptionResultDisplay

【Conrmationof

receptionresult】

Y･･･

ReceptionSuccessful

　　

（10secondposition）

N･･･ReceptionFailed

　　

（20secondposition）

※

"Conrmreceptionresult"

refertopage102

ReceptionLevelDisplay

※"Aboutthereceptionlevel

display"refertopage137

※Positionsofabovedisplaysmaydi󱐯erdependingonthemodel.

AboutThisProduct

【automaticreceptionand

manualreception】

H･･･

Highreceptionlevel



（50secondposition）

L･･･

Lowreceptionlevel

 

（40secondposition）

N･･･

Unabletoreceive

radiosignals



（20secondposition）

ButtonBisrecessedinthewatchcasetopreventaccidentalinput.

Typesofbuttonsdi󱐯erdependingonthedesignofthewatch

UpperhalfofButtonBiscovered.

ButtonBiscoveredexceptthe

hollowinthemiddleofthebutton.

ButtonBisrecessedinthewatchcase.

PressthelowerhalfofButton

B or press the hollow in the

middleofthebuttonusingan

objectwithalongtaperedtip.

Pressthehollowinthemiddle

of the button usingan object

withalingtaperedtip.

P re s s t h e ho l l o w usi n g a n

objectwithalongtaperedtip.

HowtouseButtonB

AboutThisProduct

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