HATTORY-SEIKO 8C23A Exploded diagram BrandHATTORY-SEIKOCaliber8C23ASizeFunctionVersionHandsStem354-351Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO8C23A WatchpartsPart NocaliberdescriptionoriginalArtno.4018C23Winding stem0354351984035435140008C23Electronic module4000-3509840400035040608C23Coil -red =4002-0314002-015 (-031)98404002031.8C23TRAIN WHEEL BRIDGE01253509840125350.8C23FOURTH WHEEL AND PINION02413529840241352.8C23CENTER MINUTE WHEEL02703529840270352.8C23Hour wheel02713529840271352.8C23Setting lever03833509840383350.8C23DATE DIAL08011409840801140