HATTORY-SEIKO 6M12BrandHATTORY-SEIKOCaliber6M12SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4016M12Winding stem03511699840351169.6M12MAIN PLATE(PLASTIC)01001129840100112.6M12TRAIN WHEEL BRIDGE01253009840125300.6M12TRAIN WHEEL BRIDGE01253019840125301.6M12CENTER WHEEL AND PINION02211549840221154.6M12CENTER WHEEL AND PINION02211559840221155.6M12FOURTH WHEEL AND PINION02411549840241154.6M12Hour wheel02714389840271438.6M12Hour wheel02714399840271439