OMEGA 1141 Brand OMEGA Caliber 1141 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.242= 3220Cannon pinion with driver3220-31083.05965032200242243= 3220Free cannon pignon3220-31081P965032200243250= 3220Hour wheel for chrono module3220-31046R9650322002508148= 3220Hilfshebel für Umkehrwippe3220-552729650322081488335= 3220Operating lever spring3220-65041965032208335