HATTORY-SEIKO 2C20A Exploded diagram BrandHATTORY-SEIKOCaliber2C20ASize5 1/2FunctionVersionHands0.45x0.90Stem351-225Stem (subs.)351-226/-227Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery379MovementsArtno.brandcaliberSizehandsfunctionspecial161924HATTORY-SEIKO2C20A5 1/20.45x0.90 WatchpartsPart NocaliberdescriptionoriginalArtno.201BCentre wheel -without cannon270-21498402702144012C20Winding stem035122698403512264012C20Winding stem03512259840351225407Bclutch wheel282-122984002821224000BElectronic module4000212984040002124021BStator4239-212984042392124060Coil4002212984040022124211BROTOR414621298404146212.2C20Setting lever03832139840383213