HATTORY-SEIKO V621BrandHATTORY-SEIKOCaliberV621SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401V621Winding stem03518909840351890