HATTORY-SEIKO 7740BrandHATTORY-SEIKOCaliber7740SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4017740Winding stem03543719840354371.7740TRAIN WHEEL BRIDGE01250849840125084.7740THIRD WHEEL & PINION02313719840231371.7740FOURTH WHEEL AND PINION02413759840241375.7740Minute wheel02613709840261370.7740CENTER MINUTE WHEEL02703809840270380.7740Hour wheel02713759840271375.7740Setting lever03833719840383371.7740MINUTE WHEEL BRIDGE03873719840387371.7740FIFTH WHEEL & PINION07013709840701370.7740Electronic module400012498404000124.7740COIL BLOCK400237098404002370.7740Rotor414637098404146370.7740INSULATOR421937098404219370.7740INSULATOR421937198404219371.7740ANTI-MAGNETIC SHIELD PLATE425937098404259370.7740BATTERY CONNECTION(-)427037098404270370.7740BACK PLATE89968111