HATTORY-SEIKO 8M48BrandHATTORY-SEIKOCaliber8M48SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018M48Winding stem03511489840351148.8M48MAIN PLATE(PLASTIC)01000869840100086.8M48TRAIN WHEEL BRIDGE01251869840125186.8M48CENTER WHEEL AND PINION02210909840221090.8M48FOURTH WHEEL AND PINION02411019840241101.8M48Hour wheel02712789840271278