HATTORY-SEIKO 4303A Exploded diagram BrandHATTORY-SEIKOCaliber4303ASizeFunctionVersionHandsStem354-041Stem (subs.)354-043 (Lang)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014303Handsetting stem354-043 (lang)9840354043