HATTORY-SEIKO 5421A Exploded diagram BrandHATTORY-SEIKOCaliber5421ASizeFunctionVersionHandsStem354-705Stem (subs.)354-706Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO5421A WatchpartsPart NocaliberdescriptionoriginalArtno.4015421Winding stem035470798403547074015421Winding stem035470598403547054015421Winding stem0354706984035470640005421Elektro-Baugruppe4001-706984040017064060Coil -red4002-71598404002715.5421MAIN PLATE(PLASTIC)01017169840101716.5421TRAIN WHEEL BRIDGE01257159840125715.5421CENTER WHEEL AND PINION02217169840221716.5421FOURTH WHEEL AND PINION02417159840241715.5421Hour wheel02717159840271715.5421OPEN-CLOSE SPRING81331488