HATTORY-SEIKO 5780BrandHATTORY-SEIKOCaliber5780SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4015780Winding stem03546019840354601.5780MAIN PLATE(PLASTIC)01016089840101608.5780CENTER WHEEL AND PINION02216089840221608.5780Cannon pinion02256089840225608.5780FOURTH WHEEL AND PINION02416099840241609.5780Hour wheel02716089840271608.5780Setting lever03836029840383602