HATTORY-SEIKO 4S24 Brand HATTORY-SEIKO Caliber 4S24 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4014S24Winding stem03512689840351268