HATTORY-SEIKO 9520BrandHATTORY-SEIKOCaliber9520SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4019520Winding stem03548559840354855.9520MAIN PLATE(PLASTIC)01018559840101855.9520CENTER WHEEL BRIDGE01228559840122855.9520TRAIN WHEEL BRIDGE01258559840125855.9520CENTER WHEEL AND PINION02218519840221851.9520CENTER WHEEL AND PINION02218529840221852.9520FOURTH WHEEL AND PINION02418519840241851.9520Hour wheel02718559840271855.9520Hour wheel02718569840271856.9520Setting lever03838559840383855