Seiko 7B24 Specifications

*LengthadjustmentserviceformetallicbandsisavailableattheretailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMERSERVICECENTER. Thes

ButtonBisrecessedinthewatchcasetopreventaccidentalinput.Typesofbuttonsdi󰮏erdependingonthedesignofthewatchUpperhalfofButtonBis

91CrownTherearetwotypesofcrowns,anormalcrownandascrew-lockcrown.Checkthecrownonyourwatch.AboutThisProductThecrownturns.Thecrown

Checkingthechargingstatus1Whenthemovementofthesecondhandshowsanenergydepletionstate,thebatteryrequirescharging.Beforeuse92Thesecon

Checkingthetimeanddate2※Thehandsofthiswatchcannotbemovedbyturningthecrown.Sowhenadjustingthetime,refertothefollowingpages

Theradio-controlledwatchdisplays theprecisetimeanddatebyautomaticallyreceivingandsynchronizingitselfwiththeradiosignalofano󰮐cial

※Whensettingatimezoneforregionsotherthanradiosignalreceptionrange,theradiosignalreceptionfunctionwillnotwork.　Checkthesettin

Aboutreceptionconditions96Thereceptionrangefromeachtransmittingstationisapproximately1,000km（1,000kmradiusofeachstation）.Ohtakadoya-

97HowtoSettheTimeandDate(RadioSignalReception)BPCisoperatedbyNTSC.ShangqiuNationalTimeServiceCenterFrequency:68.5kHz※ NTSC：National

98HowtoSettheTimeandDate(RadioSignalReception)WWVBisoperatedbyNIST.FortCollinstransmittingstationFrequency:60KHz※ NIST：NationalInst

99HowtoSettheTimeandDate(RadioSignalReception)Theantenna for receivingradiosignalsinsidethewatchislocatedatthe9o'clockpos

821.AboutThisProduct　Handingcautions……………………… 84　Features ………………………………… 86　Displayandbuttonoperation ……… 88　HowtouseButtonB ………………… 90　

・C l o s e  t o  h o m e  e l e c t r i c a la p p l i a n c e s  s u c h  a s  T V ' s ,refrigeratorsorairconditioners・C l o s e 

NOTICE101HowtoSettheTimeandDate(RadioSignalReception)・Thewatchmaydisplaythewrongtimeif it fails to receiveradiosignalsproperly

Thiswatchdisplaysthelatestreceptionresults(Yes/No)ofaradiosignalforveseconds. HowtodisplaythereceptionresultsPress Button A once

103・Placethewatchinaplacewhereitcaneasilyreceivearadiosignal,orchangeitsdirection.Evenwithintheradiosignalreceptionrange,th

104TimeZoneAdjustmentFunction FeaturesoftimezoneadjustmentfunctionWhatisthetimezoneadjustmentfunction?→Howtosetthetimezone　pages

105TimeZoneAdjustmentFunction QuestionsandanswersregardingtimezoneadjustmentfunctionＱ：WhenreturningtoJapanfromoverseas,isthetimea

106TimeZoneAdjustmentFunctionPress and hold Button B for four seconds,Thesecond handstarts to move, and thenthewatchentersthetimezone

107TimeZoneAdjustmentFunctionBPCJJYBPCJJY※During m ovement of t hedate, neither the buttonsnorthe crown canbeoperated.Ifthewatchi

Listofmajortimezonesaroundtheworld108PositionthatthesecondhandindicatesTimedifferencewithUTCNameofrepresentativecity(Timezone)Rece

109TimeZoneAdjustmentFunction※Timedi󰮏erencesbetweenregionsanddaylightsavingtimemaychangeduetocircumstancesofacountryorregion.※Ati

83123456785.SolarChargingFunction　Aboutcharging ………………………110　　Howtochargethewatch ………110　　Theindicationtimeforchargingthewatch …111　A

HowtochargethewatchToenjoyoptimalperformanceofthiswatch,makesurethatthewatchiskeptsu󰮐cientlychargedatalltimes.Ifthe watch i

TheindicationtimeforchargingthewatchStandardchargingtime★Thefigures in thetable above refertothe time requiredtocharge thest

Howtochargethewatch･････ page110Standardchargingtime･･･････ pa g e  111 EnergydepletionforewarningfunctionTheenergydepletionforewarni

113Thiswatchisequippedwitha powersavefunction (PowerSaving)whichcansuppressenergyconsumptionwhenitisleftwithoutreceivinganadequ

Topreservethequalityofyourwatch114 Dailycare・Thewatchrequiresgooddailycare ・Wipeawaymoisture,sweatordirtwithasoftcloth ・Tocl

115ToPreservetheQualityofYourWatch※ Thefigureaboveisoneexample.Performanceofyourwatchisdifferentfromabovesample.Thecasebackshow

Condition of useWARNINGNot suitable for swimmingAvoid drops of water or sweatThe watch withstands accidental contact with water in everyday life.The w

Condition of useWARNINGNot suitable for swimmingAvoid drops of water or sweatThe watch withstands accidental contact with water in everyday life.The w

CAUTIONDo not pour running water directly from faucet.The water pressure of tap water from a faucet is high enough to degrade the water resistant perf

CAUTIONDo not pour running water directly from faucet.The water pressure of tap water from a faucet is high enough to degrade the water resistant perf

・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

Cellular phone (speaker)Bag (with magnet buckle)AC-powered shaver Portable radio (speaker)Magnetic cooking deviceMagnetic health beltMagnetic necklace

Cellular phone (speaker)Bag (with magnet buckle)AC-powered shaver Portable radio (speaker)Magnetic cooking deviceMagnetic health beltMagnetic necklace

122ToPreservetheQualityofYourWatch BandThebandtouchestheskindirectlyandbecomesdirtywithsweatordust.Therefore,lackofcaremayacc

123ToPreservetheQualityofYourWatch・Leatherband・Aleatherbandissusceptibletodiscolorationanddeteriorationfrommoisture,sweatanddire

SpecialClaspsThere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indi

FlapMoveable loopFixed loopFlapPinAdjustment holeAType1A23 4125ToPreservetheQualityofYourWatchLiftuptheclasptoreleasethebuckle.Openthe

BTypeB・Howtowearortakeo󰮏thewatch1 2※Fixed loopMoveableloopBucklePush button126ToPreservetheQualityofYourWatch※NoFixedloopwithMetal

・Howtoadjustthelengthoftheleatherband1Withpressing buttonson both sides ofthebuckle,pulltheleatherbandoutofthemoveableloopan

CTypeC1Pressthebuttonon thebuckle,andlifttoopentheclasp.2To adjust : Pull the pins out of theadjustment holesontheband. Slid

LumibriteIfyourwatchhasLumibriteLumibriteisaluminouspaintthatiscompletelyharmlesstohumanbeingsandnaturalenvironment,containingno

・Avoidthefollowingplacesforwearingorkeepingthewatch.　○Placeswherevolatileagents（cosmeticssuchaspolishremover,bugrepellent,thinners

Powersource・Overchargepreventionfunction　Whenthe secondarybatteryis fullycharged,the overcharge preventionfunctionisautomaticallya

・PowersourceThebatteryusedinthiswatchisaspecialsecondarybattery,whichisdi󰮏erentfromordinarybatteries.Unlikeanordinarysilveroxide

Guarantee・Guaranteecoverage Thewatchbody(movement･case)andmetallicband.・Exceptionsfromguarantee Infollowingcases,repair/adjustmentse

・Proceduretoclaimfreerepairservices ・Foranydefectsunderguarantee,submitthewatchtogetherwiththeattachedcerticateofguaranteetoth

After-saleservice・Repairparts ・ Therepairpartsofthiswatchwillberetainedusuallyfor7years. ・ Somealternativepartsmaybeusedfor

・Notesonguaranteeandrepair ・Contact the retailerthewatchwaspurchased from orSEIKOCUSTOMERSERVICECENTERforrepairoroverhaul. ・Wi

Keep pressing Button A for four second.※WhensettingatimezoneforregionsotherthanTokyo(Japan),thefunctionofthemanual radiosignal rec

Ittakes12minutesatthelongestaccordingtothereceivingstateofaradiosignal.Checkwhetherthereceivingaradiosignalhasbeensuccessful.

Pulling the Crown to the Second Click※Whenthe watch entersthemanual time settingmode,the receptionresultswillbeindicated as“N,”sinc

Button APushing the Crown Back In139PressButtonAtosetthetime.2PushthecrownbackIn.3Troubleshooting※Thehandwillnotmovebyturningthecr

86AboutThisProductFeaturesThissolar-driveandradio-controlledwatchisequippedwitharadiosignaladjustmentfunction.・Thewatchisoperatedby

HowtomanuallysetthedateThewatchentersthemanualdatesettingmode.(Thewatchkeepsmoving.)When the date is not changed due toan en

Pushing the Crown Back InPressButtonAtosetthedate.2Pushthecrownbackin.3141TroubleshootingButton A※T h e  d a t e  w i l l  n o tmove

Theradio-controlledwatchcanautomaticallyadjustthetime,howeverifthepreliminaryhandpositionisanimproperone,thewatchwillbeunableto

143 Thingsaroundyouwhichgeneratemagnetism・MagneticClip ・Accessoriesusingamagnet・Magnetofdoorsforarefrigeratororfurniture・Speakersu

144TroubleshootingHowtosetthepreliminaryposition SettingthepreliminarypositionofthedateWhensettingthepreliminarypositionofthehoura

145TroubleshootingPressing But ton B to setthedatetothe“1.”2When the date movement stops, thepreliminaryposition adjustmentmodewill

146 SettingthepreliminarypositionsofthehourandminutehandsmanuallyWhen settingthepreliminarypositionofthehourandminutehandsright

1471Button APress for Two SecondsEnter the modetoadjust the preliminarypositionsofthehourandminutehands.After thedatestops,pressand

Troubleshooting148TroubleshootingTroubles PossiblecausesMovementofthewatchhandsThesecondhandmovesattwo-secondintervals.Theenergydepletion

149TroubleshootingTroubles PossiblecausesMovementofthewatchhandsThesecondhandmovesattwo-secondintervals.Theenergydepletionforewarningfu

87AboutThisProduct TimeZoneAdjustmentFunction…　(SelectingTransmittingStation)　→ pages104-109 SolarChargingFunction…　→pages110-111 Energ

150TroubleshootingAttrouble PossiblecausesReceptionofaradiosignalWhenthewatchisunabletoreceivearadiosignalThereceptionresultshavefa

151TroubleshootingAttrouble PossiblecausesReceptionofaradiosignalWhenthewatchisunabletoreceivearadiosignalThereceptionresultshavefa

152TroubleshootingAtTrouble PossiblecausesMisalignmentofthetimeandhandpositionsThewatchtemporarilygainsorlosestime.Thewatchfailstore

153TroubleshootingAtTrouble PossiblecausesMisalignmentofthetimeandhandpositionsThewatchtemporarilygainsorlosestime.Thewatchfailstore

154TroubleshootingAtTrouble PossiblecausesMisalignmentofthedateThereceptionresultdisplayconrmssuccessfulreception,andthecorrecttimeis

155TroubleshootingAtTrouble PossiblecausesMisalignmentofthedateThereceptionresultdisplayconrmssuccessfulreception,andthecorrecttimeis

HowtoresettheBuilt-inIC,( ① - ③ )Pulling the Crown to the Second ClickInvesecondsafterreleasingthebuttons,thesecondhandmakesafull

Goontothenextpage157TroubleshootingThesecond handwillstart tomovefrom0:0:0AMWhenallthehandsreturntothezerosecondposition,push

158TroubleshootingPressingButtonBtoSetthePreliminaryPositiontothe“1.”5ContinuousadvancementEachpressingofButtonAadvancesthedatebyo

Goontothenextpage159Troubleshooting1Press and hold Button B for four seconds.Thewatchentersthetimezoneadjustmentmode.PressandholdButton

【Receptionresultconrmation】→ page102【Manualreception】→ page136【Timezoneadjustment】→ page106【Manualtimeanddatesetting】→ page138Firstclic

160TroubleshootingSetthe timezonebypressingthebuttontomovethesecondhand(selectingatransmittingstation).7The second hand moves counterc

161TroubleshootingThetimezoneadjustingmodeterminates10secondsafterthe procedure “7”hasbeencompleted.SettheTime8Se t t h e t ime b y

162Specications1.Frequencyofcrystaloscillator･･････ 32,768Hz(Hz=Hertz...Cyclespersecond)2.Loss/gain(monthlyrate)････････････ Loss

89ReceptionResultDisplay【Conrmationofreceptionresult】Y･･･ReceptionSuccessful　　（10secondposition）N･･･ReceptionFailed　　（20secondposition