HATTORY-SEIKO 2C21A Exploded diagram BrandHATTORY-SEIKOCaliber2C21ASize5 1/2FunctionSCVersionHandsStem351-225Stem (subs.)351-226/-227Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery0,65x1,10MovementsArtno.brandcaliberSizehandsfunctionspecial161925HATTORY-SEIKO2C21A5 1/2SC WatchpartsPart NocaliberdescriptionoriginalArtno.4012C21Winding stem035122698403512264012C21Winding stem03512259840351225407= 2C20clutch wheel282-1229840028212240002C21Electronic module4000-21198404000211.2C21FOURTH WHEEL AND PINION02412119840241211.2C21CENTER MINUTE WHEEL02702119840270211.2C21Hour wheel02711219840271121.2C21Setting lever03832139840383213