HATTORY-SEIKO 4633A Exploded diagram BrandHATTORY-SEIKOCaliber4633ASizeFunctionVersionHandsStem354 040Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO4633A WatchpartsPart NocaliberdescriptionoriginalArtno.401BHandsetting stem354-04098403540404000BElectronic module4001-0440259984060Coil -red4002-005025998