HATTORY-SEIKO 5E21BrandHATTORY-SEIKOCaliber5E21SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4015E21Winding stem03516249840351624.5E21MAIN PLATE(PLASTIC)01006209840100620.5E21MAIN PLATE(PLASTIC)01006289840100628.5E21TRAIN WHEEL BRIDGE01256229840125622.5E21CENTER WHEEL AND PINION02216249840221624.5E21CENTER WHEEL AND PINION02216329840221632.5E21CENTER WHEEL AND PINION02216469840221646.5E21FOURTH WHEEL AND PINION02416249840241624.5E21FOURTH WHEEL AND PINION02416379840241637.5E21Hour wheel02716219840271621.5E21Hour wheel02716289840271628.5E21Hour wheel02716299840271629.5E21Setting lever03836209840383620.5E21BACK PLATE87020283