HATTORY-SEIKO 9020A Exploded diagram BrandHATTORY-SEIKOCaliber9020ASizeFunctionVersionHandsStem354-856Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO9020A WatchpartsPart NocaliberdescriptionoriginalArtno.1109020Barrel and train wheel bridge012585498401258544019020Winding stem035485698403548564019020Winding stem03548589840354858435BYoke384-855984038485540009020Electronic module40018519840400185140609020Coil -red400285598404002855.9020MAIN PLATE(PLASTIC)01018549840101854.9020CENTER WHEEL BRIDGE01228569840122856.9020CENTER WHEEL AND PINION02218429840221842.9020CENTER WHEEL AND PINION02218439840221843.9020FOURTH WHEEL AND PINION02418539840241853.9020Hour wheel02718459840271845.9020Hour wheel02718569840271856.9020Setting lever03838159840383815.9020Setting lever03838559840383855.9020BACK PLATE87020203.9020BACK PLATE87020223