HATTORY-SEIKO 9923A Exploded diagram BrandHATTORY-SEIKOCaliber9923ASizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4019923Winding stem03547819840354781.9923MAIN PLATE(PLASTIC)01017329840101732.9923CENTER WHEEL BRIDGE01227319840122731.9923CENTER WHEEL AND PINION02217819840221781.9923Cannon pinion02257889840225788.9923FOURTH WHEEL AND PINION02417889840241788.9923Hour wheel02717889840271788.9923Setting lever03837809840383780.9923Setting lever03837800.9923DATE DIAL08017859840801785.9923DATE DIAL08017869840801786.9923DATE DIAL08017879840801787