HATTORY-SEIKO 1N01A Exploded diagram Brand HATTORY-SEIKO Caliber 1N01A Size 4 3/4 Function SC Version Hands 0.45x0.90x0.18 Stem 351-807 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 379 MovementsArtno.brandcaliberSizehandsfunctionspecial160923HATTORY-SEIKO1N014 3/40.45x0.90x0.18SC Watchparts Part NocaliberdescriptionoriginalArtno.2501N01Hour wheel027180398402718034011N01Winding stem035180798403518074011N01Winding stem03518089840351808401B = 1F20Handsetting stem351-818984035181840001N01Electronic module40005389840400053840601N01Coil -red400253998404002539.1N01MAIN PLATE(PLASTIC)01018099840101809.1N01TRAIN WHEEL BRIDGE01258089840125808.1N01CENTER WHEEL AND PINION02218089840221808.1N01CENTER WHEEL AND PINION02218099840221809.1N01CENTER WHEEL AND PINION02218199840221819.1N01THIRD WHEEL & PINION02318069840231806.1N01FOURTH WHEEL AND PINION02418179840241817.1N01FOURTH WHEEL AND PINION02418189840241818.1N01FOURTH WHEEL AND PINION02418199840241819.1N01Minute wheel02618069840261806.1N01Hour wheel02718089840271808.1N01setting wheel02818069840281806.1N01Clutch wheel02828069840282806.1N01Setting lever03838069840383806.1N01Yoke03848079840384807.1N01TRAIN WHEEL SETTING LEVER03918069840391806.1N01FIFTH WHEEL & PINION07018069840701806.1N01Rotor414654698404146546.1N01ROTOR STATOR423953998404239539.1N01BATTERY CONNECTION(-)427053898404270538.1N01CIRCUIT BLOCK COVER445765898404457658.1N01Winding stem835180798408351807