HATTORY-SEIKO 1E50A Exploded diagram Brand HATTORY-SEIKO Caliber 1E50A Size Function Version Hands Stem 354-930 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO1E50A Watchparts Part NocaliberdescriptionoriginalArtno.4011E50Winding stem03549309840354930.1E50MAIN PLATE(PLASTIC)01019309840101930.1E50TRAIN WHEEL BRIDGE01259309840125930.1E50TRAIN WHEEL BRIDGE01259329840125932.1E50CENTER WHEEL AND PINION02219309840221930.1E50FOURTH WHEEL AND PINION02419309840241930.1E50Hour wheel02719309840271930.1E50Setting lever03839309840383930