HATTORY-SEIKO H557A Exploded diagram BrandHATTORY-SEIKOCaliberH557ASizeFunctionVersionHandsStem354-655Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401H557Winding stem035465598403546554060Coil -red4002-65598404002655.H557MAIN PLATE(PLASTIC)01016559840101655.H557CENTER WHEEL BRIDGE01226559840122655.H557TRAIN WHEEL BRIDGE01256559840125655.H557CENTER WHEEL AND PINION02216559840221655.H557FOURTH WHEEL AND PINION02416559840241655.H557Hour wheel02716559840271655.H557Contact spring f. push-button424665598404246655.H557LIQUID CRYSTAL PANEL451052598404510525.H557LIQUID CRYSTAL PANEL451052698404510526