HATTORY-SEIKO 9S54BrandHATTORY-SEIKOCaliber9S54SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4019S54Winding stem03514409840351440.9S54CENTER WHEEL AND PINION02211219840221121.9S54FOURTH WHEEL AND PINION02412589840241258.9S54CENTER MINUTE WHEEL02701339840270133