OMEGA 640 Exploded diagram Brand OMEGA Caliber 640 Size 5 1/2 Function Version Hands 0,40x0,70 Stem Spez. Stem (subs.) Stem (2 pce) Balance staff 23401 INCA Balance staff (subs.) Mainspring (subs.) Spez. Mainspring (subs.) 1.20x 5.0x0.06 Battery Watchparts Part NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover640-120096506401200200BLarge driving wheell + cannon pinion640-122496506401224210BThird wheel640-124096506401240227BSweep second pinion640-124396506401243260BMinute wheel640-124696506401246401Winding stem640-110696506401106462BMinute train bridge640-111696506401116705Escape wheel -pinion straigt piv.640-130596506401305710BPallet fork -pinion 1 lower end-piec.640-1316721/1BBalance cplt. -regulated640-1327723Balance staff ST -shock-absorber80223401770BMainspring640-1208
