HATTORY-SEIKO 2K03A Exploded diagram BrandHATTORY-SEIKOCaliber2K03ASize5 1/2FunctionSCVersionHandsStem351-291Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery364WatchpartsPart NocaliberdescriptionoriginalArtno.4012K03Winding stem03511759840351175.2K03MAIN PLATE(PLASTIC)01000939840100093.2K03TRAIN WHEEL BRIDGE01251839840125183.2K03SECOND WHEEL PINION02400939840240093.2K03FOURTH WHEEL AND PINION02412959840241295.2K03CENTER MINUTE WHEEL02704729840270472.2K03Hour wheel02712929840271292