HATTORY-SEIKO 8N71BrandHATTORY-SEIKOCaliber8N71SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018N71Winding stem03513889840351388.8N71TRAIN WHEEL BRIDGE01252109840125210.8N71FOURTH WHEEL AND PINION02414349840241434.8N71Hour wheel02714359840271435.8N71Setting lever03833879840383387