HATTORY-SEIKO 9021ABrandHATTORY-SEIKOCaliber9021ASizeFunctionVersionHandsStem354-856Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4019021Winding stem03548569840354856435= 9020Yoke384-85598403848554000= 9020Electronic module4001851984040018514060= 9020Coil -red400285598404002855.9021MAIN PLATE(PLASTIC)01018549840101854.9021CENTER WHEEL BRIDGE01228569840122856.9021TRAIN WHEEL BRIDGE01258549840125854.9021CENTER WHEEL AND PINION02218459840221845.9021CENTER WHEEL AND PINION02218579840221857.9021FOURTH WHEEL AND PINION02418459840241845.9021FOURTH WHEEL AND PINION02418579840241857.9021Hour wheel02718459840271845.9021Setting lever03838559840383855.9021SPACER89902520