HATTORY-SEIKO 5C21ABrandHATTORY-SEIKOCaliber5C21ASizeFunctionVersionHandsStem354-800Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4015C21Winding stem035480098403548004015C21Winding stem03548569840354856.5C21MAIN PLATE(PLASTIC)01018019840101801.5C21CENTER WHEEL BRIDGE01228549840122854.5C21TRAIN WHEEL BRIDGE01258009840125800.5C21CENTER WHEEL AND PINION02218019840221801.5C21FOURTH WHEEL AND PINION02418029840241802.5C21Hour wheel02718029840271802.5C21Setting lever03838009840383800.5C21Setting lever03838559840383855