
2
Contents
Handlingcautions························································································· 4
Characteristicsofmechanicalwatches(manualwindingmodel,automaticwindingmodel)
··· 8
Crown················································································································· 9
Howtousetheautomaticmechanicalwatch····································10
Namesofthepartsandtheirfunctions(NE88)······························11
Howtosetthetimeanddate(NE88)·················································12
■Howtosetthetimeanddate···························································12
■Dateadjustmentattheendofthemonth···································15
Howtousethechronograph(NE88)···················································16
■Howtousethechronograph·····························································16
[Standardmeasurement]············································································17
[Accumulatedelapsedtimemeasurement]·········································18
■Howtoreadthestopwatchminutehand·····································20
Namesoftheparts(NE15)·····································································21
HowtoUse(NE15)·····················································································22
■Howtosetthetimeanddate···························································22
■Dateadjustmentattheendofthemonth···································26
Namesoftheparts(NH36)·····································································27
4
・Keepthewatchandaccessories outofthereachof
babiesandchildren.
Careshouldbetakentoprevent a babyor a childaccidentally
swallowingtheaccessories.
Ifababy orchildswallows thebattery oraccessories,immediately
consultadoctor,asit willbe harmfultothehealth ofthebabyor
child.
WARNING
・Immediatelystopwearingthewatchinfollowingcases.
○Ifthewatchbodyorbandbecomesedgedbycorrosionetc.
○Ifthepinsprotrudefromtheband.
※Immediatelyconsult the retailerfromwhomthewatchwas
purchasedorSEIKOCUSTOMERSERVICECENTER.
Toindicatetherisksofseriousconsequencessuchassevereinjuries
unlessthefollowingsafetyregulationsarestrictlyobserved.
Handlingcautions
3
Howtosetthetime,day,anddate(NH36)······································28
■Howtosetthetime,date,andday·················································28
■Dateadjustmentattheendofthemonth···································30
Magneticresistance····················································································31
Examplesofcommonmagneticproductsthatmayaffectwatches
·······32
Dailycare··········································································································33
Waterresistance···························································································34
Band···················································································································36
SpecialclaspsA····························································································39
■Howtowearortakeoffthewatch··················································39
■Howtoadjustthelengthoftheleatherband·····························40
SpecialclaspsB····························································································41
LUMIBRITE·······································································································42
AFTER-SALESSERVICE··············································································43
Troubleshooting·····························································································45
Accuracyofmechanicalwatches···························································46
Specifications·································································································48
5
・Avoidthefollowingplacesforwearingorkeepingthewatch.
○Placeswherevolatileagents(cosmeticssuchaspolishremover,
bugrepellent,thinnersetc.)arevaporizing
○Placeswherethetemperaturedropsbelow5 ℃orrisesabove
35℃foralongtime ○Placesofhighhumidity
○Placesaffectedbystrongmagnetismorstaticelectricity
○Dustyplaces○Placesaffectedbystrongvibrations
CAUTION
・Ifyouobserveanyallergicsymptomsorskinirritation
Stopwearingthewatchimmediatelyandconsultaspecialistsuch
asadermatologistoranallergist
・Othercautions
○Foradjusting the lengthof themetalbracelet, specialized
knowledgeand expertiseare necessary.Therefore,in sucha
case,contacttheretailerfromwhomthewatchwaspurchased.
Ifyouattemptto adjustthemetalbracelet,injurymayoccur to
yourhandorfingers,orpartsofthebraceletmaybelost.
○Donotdisassembleortamperwiththewatch.
○Keepthewatchoutofthereachofbabiesandchildren.
Extracareshould betakento avoid risks ofanyinjuryorallergic
rashoritchingthatmaybecausedwhentheytouchthewatch.
○Ifyour watch isof the fob orpendanttype,thestraporchain
attachedto thewatchmaydamageyour clothes,or injurethe
hand,neck,orotherpartsofyourbody.
Toindicate the risksoflightinjuries ormaterial damagesunlessthe
followingsafetyregulationsarestrictlyobserved.