HATTORY-SEIKO 3M21 Brand HATTORY-SEIKO Caliber 3M21 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4013M21Winding stem03515509840351550.3M21MAIN PLATE(PLASTIC)01005519840100551.3M21TRAIN WHEEL BRIDGE01255509840125550.3M21CENTER WHEEL AND PINION02218929840221892.3M21FOURTH WHEEL AND PINION02418929840241892.3M21Hour wheel02715569840271556.3M21Setting lever03835519840383551
