HATTORY-SEIKO 2N20 Brand HATTORY-SEIKO Caliber 2N20 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4012N20Winding stem035110698403511064012N20Winding stem035110998403511094012N20Winding stem035110798403511074012N20Winding stem03511089840351108.2N20MAIN PLATE(PLASTIC)01000829840100082.2N20TRAIN WHEEL BRIDGE01250829840125082.2N20THIRD WHEEL & PINION02311579840231157.2N20FOURTH WHEEL AND PINION02411579840241157.2N20Minute wheel02611579840261157.2N20CENTER MINUTE WHEEL02701579840270157.2N20CENTER MINUTE WHEEL02701599840270159.2N20CENTER MINUTE WHEEL02703389840270338.2N20Hour wheel02711579840271157.2N20Hour wheel02711599840271159.2N20Hour wheel02713389840271338.2N20setting wheel02813569840281356.2N20Clutch wheel02823569840282356.2N20Setting lever03833569840383356.2N20YOKE03843569840384356.2N20SETTING LEVER SPRING03883569840388356.2N20TRAIN WHEEL SETTING LEVER03913569840391356.2N20FIFTH WHEEL & PINION07011579840701157.2N20Electronic module400035498404000354.2N20COIL BLOCK400235698404002356.2N20Rotor414602798404146027.2N20ROTOR STATOR423935698404239356.2N20BATTERY CONNECTION(-)427007198404270071.2N20Battery connection (+)427107198404271071.2N20SPACER/HOLDER/WASHER440835498404408354.2N20SPACER/HOLDER/WASHER440835598404408355.2N20SPACER/HOLDER/WASHER440835698404408356.2N20CIRCUIT BLOCK COVER445713798404457137