OMEGA 420BrandOMEGACaliber420SizeFunctionSCVersionHands0,80x1,50Stem410-1106Stem (subs.)Stem (2 pce)Balance staff30405 INCABalance staff (subs.)Mainspring (subs.)Spez.Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200BLarge driving wheell + cannon pinion420-122496504201224210BThird wheel and pinion420-124096504201240227BSweep second pinion420-124396504201243401= 410Winding stem410-110696504101106443= 330Setting lever assembled330-110996503301109710= 410Pallet fork -pinion 1 lower end-piec.410-130596504101305710= 410Pallet fork -pinion 1 lower end-piec.410-131696504101316723Balance staff ST -shock-absorber80230405770BMainspring420-120896504201208