HATTORY-SEIKO 7F26 Exploded diagram Brand HATTORY-SEIKO Caliber 7F26 Size 10 1/2 Function Version Hands Stem 351-670 Stem (subs.) 351-105 lang Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4017F26Winding stem035167098403516704017F26Winding stem03515759840351575.7F26MAIN PLATE(PLASTIC)01005719840100571.7F26TRAIN WHEEL BRIDGE01256709840125670.7F26CENTER WHEEL AND PINION02215729840221572.7F26FOURTH WHEEL AND PINION02415759840241575.7F26Hour wheel02715739840271573.7F26Setting lever03836709840383670