HATTORY-SEIKO Y204BrandHATTORY-SEIKOCaliberY204SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Y204Winding stem03514219840351421