HATTORY-SEIKO 6F25 Exploded diagram Brand HATTORY-SEIKO Caliber 6F25 Size Function Version Hands Stem 351-105 Stem (subs.) 351-670 Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4016F25Winding stem035167098403516704016F25Winding stem03511059840351105.6F25MAIN PLATE(PLASTIC)01000599840100059.6F25TRAIN WHEEL BRIDGE01256709840125670.6F25CENTER WHEEL AND PINION02213819840221381.6F25FOURTH WHEEL AND PINION02413819840241381.6F25Hour wheel02713819840271381.6F25Setting lever03836709840383670