HATTORY-SEIKO 2J31BrandHATTORY-SEIKOCaliber2J31SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4012J31Winding stem03514009840351400.2J31MAIN PLATE(PLASTIC)01004009840100400.2J31CENTER WHEEL BRIDGE01224009840122400.2J31TRAIN WHEEL BRIDGE01254009840125400.2J31CENTER WHEEL AND PINION02213979840221397.2J31CENTER WHEEL AND PINION02214009840221400.2J31THIRD WHEEL & PINION02314009840231400.2J31FOURTH WHEEL AND PINION02413979840241397.2J31FOURTH WHEEL AND PINION02413989840241398.2J31Minute wheel02614009840261400.2J31Hour wheel02713879840271387.2J31Hour wheel02713979840271397.2J31setting wheel02813709840281370.2J31Clutch wheel02824009840282400.2J31Setting lever03834009840383400.2J31YOKE03844009840384400.2J31SETTING LEVER SPRING03884009840388400.2J31TRAIN WHEEL SETTING LEVER03914009840391400.2J31FIFTH WHEEL & PINION07014009840701400.2J31INTERMEDIATE MINUTE WHEEL07664009840766400.2J31COIL BLOCK400240098404002400.2J31Electronic module400307298404003072.2J31Rotor414640098404146400.2J31INSULATOR421640098404216400.2J31INSULATOR421640198404216401.2J31INSULATOR421940098404219400.2J31ROTOR STATOR423940098404239400.2J31BATTERY CONNECTION(-)427040098404270400.2J31Battery connection (+)427140098404271400.2J31SPACER/HOLDER/WASHER440840098404408400.2J31SPACER/HOLDER/WASHER440840198404408401.2J31SPACER/HOLDER/WASHER440840298404408402.2J31RESET LEVER445540098404455400.2J31CIRCUIT BLOCK COVER446140298404461402