HATTORY-SEIKO 9S54 Brand HATTORY-SEIKO Caliber 9S54 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4019S54Winding stem03514409840351440.9S54CENTER WHEEL AND PINION02211219840221121.9S54FOURTH WHEEL AND PINION02412589840241258.9S54CENTER MINUTE WHEEL02701339840270133