・Periodicinspectionandadjustmentbydisassemblyandcleaning(overhaul)
isrecommendedapproximately onceevery3to 4yearsinorder
tomaintainoptimalperformanceofthewatchforalongtime.
Accordingtouse conditions,theoil retainingconditionof yourwatch
mechanicalpartsmaydeteriorate,abrasion oftheparts dueto
contaminationofoil mayadvanceordelay thetimesignificantly,or the
watchitselfmaystop.
Asthepartssuchas gasketmaydeteriorate,water-resistant
performancemaybe impaired duetointrusion of perspirationand
moisture.
Pleasecontactthe retailerfromwhom thewatchwaspurchased for
inspectionandadjustment bydisassemblyand cleaning(overhaul).For
replacementofparts, pleasespecify"SEIKOGENUINE PARTS."When
askingforinspection andadjustmentby disassembly andcleaning
(overhaul),makesurethatthegasketandpushpinarealsoreplacedwith
newones.
Whenyourwatchisinspectedandadjustedbydisassemblyandcleaning
(overhauled),themovementofyourwatchmaybereplaced.
●
Inspectionandadjustmentbydisassemblyandcleaning
(overhaul)
5
Topreservethequalityofyourwatch
150
Thebrightnessof theelectroluminescence (EL)panelused fort hebuilt-
inilluminatinglight willdecreasewhenthebatteryvoltagebecomeslow.The
brightnessoftheELpanelwillalsograduallydecreasewiththepassageoftime.
Thebrightnessof theELpanelwill decreaseby one-halfafter a totalof
approximately120hoursoflighting.WhenthebrightnessoftheELpanelbecomes
toodark,firstchargethewatchsufficiently.Ifitis stilltoodarkaftercharging
thewatch,replacetheEL panel.Consulttheretailerfromwhomthewatchwas
purchasedconcerningpanelreplacement.Afeewillbechargedforreplacement.
●Electroluminescentlight
Thenormallifeexpectancyfortheliquidpanelofthewatchisapproximately
7years.Afterthat,itmaydecreaseincontrast,becomingdifficulttoread.
Consulttheretailerfromwhomthewatchwaspurchasedconcerningpanel
replacement.Afeewillbechargedforreplacement.
●Liquidcrystalpanel
5
Topreservethequalityofyourwatch
151
Troubleshooting
Troubles Solutions
Ref.pages
Thedisplaywentblank.
Theremainingamountofbatterypowerhasdecreased.
Exposethewatchtolighttorechargethebattery.
P.92
Thetimeisgainedor
lost.
Checkthehomecitysetting.Whenthesummertimeis
turnedon,thetimeindicationisadvancedbyonehour.
P.98
Thealarmgoesoff.
Whenthe markappearsonthedisplay,atleast
oneofthe3alarmchannelsisturnedon.
P.106
Howtomeasure
altitude
Altitudeis derivedbycalculationof conversionfrom
atmosphericpressure. Forthisreason,thenumericalvalueof
altitudemaychangeduetoachangeina tmosphericpressure.
P.122
Accuratealtitude
cannotbemeasured.
Whenmeasuringaltitude,keepthetemperatureofthewatchas
constantaspossible.Measurementresultsofaltitudemaydiffer
evenatthesameplaceduetoachangeinatmosphericpressure.
P.112
Thereisnodatayou
wanttoseeinthe
altituderecordcall
mode.
Upto15datacanbesaved.Fromthe16thdataonward,theexisting
dataaredeletedinchronologicalorderstartingfromtheoldest,
andthelognumberismoveduponebyone.Thelatestdatais
recordedasdataNo.15andthelognumberoftheprecedingdatais
automaticallymoveduponebyone.(Example:No.15→No.14)
P.123
Dateofrecordingis
deviated.
Dateandtimeofaltituderecordingarerecorded
basedonthedateandtimeofthehomecity.
P.99
Troubleshooting
6
152
Troubles Solutions
Ref.pages
Correcttemperature
cannotbemeasured
Ifyouwearthewatchonyourarm,thetemperature
indicatorisaffectedbybodytemperature.When
measuringambienttemperature,removethewatchfrom
yourarmandmeasureaftersometimehaselapsed.
P.128
Thegraphic
atmosphericpressure
islostorcleared.
Becausedisplayrangeintheverticaldirectiononthegraph
islimited,thegraphmaynotbepartiallydisplayedwhen
atmosphericpressuresignificantlyvariesoryouaregetting
onanelevator.
Inaddition,whenthewatchentersthesleepmode,the
graphisnotdisplayed.
P.96
P.130
Correctdirection
cannotbemeasured.
Correctmeasurementscannotbemadeintrains,airplanes,
orindoors,andinparticular,inabuildingofareinforced
concretestructure.Usethiswatchoutdoorswherethereis
noobjectwhichdisruptsgeomagnetism.
P.132
Directiondoesnot
change.
Thewatchmayhavebeenmagnetized.Carryout
magnetismcalibration.
P.136
Magneticdeclination
correctionvalueis
unclear.
Findoutmoredetaileddeclinationinformation.
Informationofdeclinationisdescribedonmosttopographic
maps.ItcanalsobesearchedontheInternet.
P.134
Troubleshooting
6
153