OMEGA 420 Brand OMEGA Caliber 420 Size Function SC Version Hands 0,80x1,50 Stem 410-1106 Stem (subs.) Stem (2 pce) Balance staff 30405 INCA Balance staff (subs.) Mainspring (subs.) Spez. Mainspring (subs.) Battery Watchparts Part 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.410-131696504101316710= 410Pallet fork -pinion 1 lower end-piec.410-130596504101305723Balance staff ST -shock-absorber80230405770BMainspring420-120896504201208