HATTORY-SEIKO Y622BrandHATTORY-SEIKOCaliberY622SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Y622Winding stem03510229840351022401Y622Winding stem03540229840354022