HATTORY-SEIKO 4S77BrandHATTORY-SEIKOCaliber4S77SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014S77Winding stem035113298403511324014S77WINDING STEM(OTHER POS.)035189098403518904014S77Winding stem03541329840354132.4S77MAIN PLATE(PLASTIC)01001279840100127.4S77CENTER WHEEL AND PINION02212889840221288.4S77FOURTH WHEEL AND PINION02410169840241016.4S77DRIVE WHEEL89930050