HATTORY-SEIKO 6429A Exploded diagram BrandHATTORY-SEIKOCaliber6429ASizeFunctionVersionHandsStem354-640Stem (subs.)354-641Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO6429A WatchpartsPart NocaliberdescriptionoriginalArtno.4016423AHandsetting stem354-6409840354640