HATTORY-SEIKO V257BrandHATTORY-SEIKOCaliberV257SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401V257Winding stem03511319840351131.V257SECOND WHEEL PINION02400099840240009