OMEGA 1220 Brand OMEGA Caliber 1220 Size Function Version Hands Stem 6532 Stem (subs.) Stem (2 pce) Balance staff 34210 Balance staff (subs.) Mainspring (subs.) eigen Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026532443/1Setting lever assembled723Balance staff ST -shock-absorber80234210.MAIN PLATE1220-9000965012209000.TRAIN WHEEL BRIDGE1220-9001965012209001.INTERMEDIATE BRIDGE1220-9002965012209002.FRICTION WHEEL BRIDGE1220-9003965012209003.CENTRE PIPE1220-9005965012209005.IN SETTING OF COUPLING AXLE & FIRST MOBILE , LOWER1220-9006965012209006.IN SETTING OF COUPLING AXLE, UPPER1220-9007965012209007.CENTRE COCK1220-9008965012209008.HAND SETTING STEM, SHORT1220-9015965012209015.Clutch wheel1220-9016965012209016