HATTORY-SEIKO 3F81BrandHATTORY-SEIKOCaliber3F81SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4013F81Winding stem03547359840354735.3F81MAIN PLATE(PLASTIC)01008249840100824.3F81TRAIN WHEEL BRIDGE01258239840125823.3F81TRAIN WHEEL BRIDGE01258249840125824.3F81CENTER WHEEL AND PINION02218249840221824.3F81FOURTH WHEEL AND PINION02418249840241824.3F81Hour wheel02718249840271824.3F81Cannon pinion02828239840282823.3F81Setting lever03838239840383823.3F81BACK PLATE87020761