HATTORY-SEIKO V256BrandHATTORY-SEIKOCaliberV256SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401V256Winding stem03511319840351131.V256SECOND WHEEL PINION02400109840240010