HATTORY-SEIKO 8J56BrandHATTORY-SEIKOCaliber8J56SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018J56Winding stem03514069840351406.8J56MAIN PLATE(PLASTIC)01001389840100138.8J56TRAIN WHEEL BRIDGE01252549840125254.8J56CENTER WHEEL AND PINION02211169840221116.8J56FOURTH WHEEL AND PINION02411679840241167.8J56Hour wheel02731149840273114.8J56Setting lever03831169840383116.8J56DATE DIAL08782469840878246.8J56BACK PLATE89920195