HATTORY-SEIKO 1F20 Exploded diagram Brand HATTORY-SEIKO Caliber 1F20 Size 4 3/4 Function o. SC Version Hands 0.45x0.90 Stem 351-807 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 337 MovementsArtno.brandcaliberSizehandsfunctionspecial160920HATTORY-SEIKO1F204 3/40.45x0.90o. SC Watchparts Part NocaliberdescriptionoriginalArtno.2501F20Hour wheel027180798402718074011F20Handsetting stem351-81898403518184011F20Winding stem035180798403518074011F20Winding stem0351808984035180840001F20Electronic module4001-5389840400153840601F20Coil -red4002-53898404002538.1F20MAIN PLATE(PLASTIC)01018079840101807.1F20TRAIN WHEEL BRIDGE01258079840125807.1F20CENTER WHEEL AND PINION02218049840221804.1F20CENTER WHEEL02218079840221807.1F20CENTER WHEEL AND PINION02218119840221811.1F20CENTER WHEEL AND PINION02218139840221813.1F20CENTER WHEEL AND PINION02218299840221829.1F20THIRD WHEEL & PINION02318079840231807.1F20Minute wheel02618079840261807.1F20Hour wheel02718139840271813.1F20CENTER WHEEL AND PINION02718299840271829.1F20setting wheel02818079840281807.1F20Clutch wheel02828089840282808.1F20Setting lever03838069840383806.1F20YOKE03848069840384806.1F20Rotor414653998404146539.1F20ROTOR STATOR423953898404239538.1F20BATTERY CONNECTION(-)427053798404270537.1F20CIRCUIT BLOCK COVER445765198404457651.1F20SLEEVE PIPE81180249.1F20SLEEVE PIPE81181459.1F20BACK PLATE87020460.1F20SLEEVE PIPE8999F031.1F20SLEEVE PIPE8999F051
