HATTORY-SEIKO 8N40BrandHATTORY-SEIKOCaliber8N40SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018N40Winding stem035138498403513844018N40Winding stem035138798403513874018N40Winding stem03513889840351388.8N40MAIN PLATE(PLASTIC)01003879840100387.8N40TRAIN WHEEL BRIDGE01253969840125396.8N40THIRD WHEEL LOWER BRIDGE01390879840139087.8N40THIRD WHEEL & PINION02313879840231387.8N40FOURTH WHEEL AND PINION02413859840241385.8N40Minute wheel02613869840261386.8N40CENTER MINUTE WHEEL02703939840270393.8N40CENTER MINUTE WHEEL02703949840270394.8N40CENTER MINUTE WHEEL02703959840270395.8N40Hour wheel02714339840271433.8N40Hour wheel02714359840271435.8N40Hour wheel02714379840271437.8N40setting wheel02813879840281387.8N40Clutch wheel02823879840282387.8N40Setting lever03833879840383387.8N40YOKE03843879840384387.8N40SETTING LEVER SPRING03883879840388387.8N40TRAIN WHEEL SETTING LEVER03913879840391387.8N40FIFTH WHEEL & PINION07013869840701386.8N40Electronic module400038698404000386.8N40COIL BLOCK400238698404002386.8N40Rotor414638698404146386.8N40INSULATOR421638698404216386.8N40INSULATOR421638798404216387.8N40ROTOR STATOR423938698404239386.8N40BATTERY CONNECTION(-)427038698404270386.8N40ROTARY STEP SWITCH429038698404290386.8N40SPACER/HOLDER/WASHER440838798404408387.8N40SPACER/HOLDER/WASHER440838898404408388.8N40SPACER/HOLDER/WASHER440839098404408390.8N40CIRCUIT BLOCK COVER445739698404457396.8N40BACK PLATE89940095