HATTORY-SEIKO 5A50A Exploded diagram Brand HATTORY-SEIKO Caliber 5A50A Size 4 3/4 Function o. SC Version Hands 0.45x0.90 Stem 354-882 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecial160934HATTORY-SEIKO5A50A4 3/40.45x0.90o. SC Watchparts Part NocaliberdescriptionoriginalArtno.2601E20Minute wheel261-93098402619304015A50Winding stem035488298403548824435A50Setting lever assembled038388198403838814455A50Setting lever spring038888198403888814000BElectronic module4001-55098404001550.5A50MAIN PLATE(PLASTIC)01018819840101881.5A50TRAIN WHEEL BRIDGE01258809840125880.5A50TRAIN WHEEL BRIDGE01258819840125881.5A50TRAIN WHEEL BRIDGE01258889840125888.5A50CENTER WHEEL AND PINION02218819840221881.5A50CENTER WHEEL AND PINION02218839840221883.5A50CENTER WHEEL AND PINION02218859840221885.5A50FOURTH WHEEL AND PINION02418819840241881.5A50Hour wheel02718839840271883.5A50Hour wheel02718849840271884.5A50Hour wheel02719309840271930.5A70COIL BLOCK400255098404002550.5A50BACK PLATE87020662