HATTORY-SEIKO V421BrandHATTORY-SEIKOCaliberV421SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401V421Winding stem03541189840354118