HATTORY-SEIKO 4303A Exploded diagram Brand HATTORY-SEIKO Caliber 4303A Size Function Version Hands Stem 354-041 Stem (subs.) 354-043 (Lang) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4014303Handsetting stem354-043 (lang)9840354043