OMEGA 321BrandOMEGACaliber321Size12FunctionKLS-CHR-STDVersionHandsStem6330Stem (subs.)Stem (2 pce)Balance staff41002Balance staff (subs.)Mainspring (subs.)1.30x10.0x0.11Mainspring (subs.)320-1208BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover321-120096503211200200BCenter wheel + cannon pinion H 653321-1224200BLarge driving wheell + cannon pinion321-122496503211224210= 320Third wheel320-124096503201240224BSecond wheel -long lower pivot321-124396503211243240BCannon pinion H = 352321-121896503211218401Winding stem8026330407= 320clutch wheel321-110796503201107410Winding pignon320-110896503201108420= 320Crown wheel320-110196503201101435= 320Yoke spring320-111096503201111440= 320Yoke spring320-111296503201112443= 320Setting lever assembled320-110996503201109705320Escape wheel -pinion straigt piv.320-130596503201305710320Pallet fork -pinion 1 lower end-piec.320-131696503201316723Balance staff ST -shock-absorber80241002770= 320Mainspring320-1208965032012085443BScrew for setting lever jumper2417965024178000BChronograph wheel ( 60s)321-1705965032117058020BMinute counting wheel (30m)321-1708965032117088060= 320Driving wheel chrono320-1710965032017108070Pillar wheel 2-3 functions320-1715965032017158200= 320Blocking lever, 2 functions320-1726965032017268270= 320Minute counter jumper320-1766965032017668277= 320Spring f. minute-recording jumper320-1767965032017678350Hammer spring, 2 functions320-1734965032017348357= 320Schaltradsperre320-1727965032017278600BHour counting wheel, mounted321-1788965032117888670BOperating lever for hour hammer321-1784965032117848680BHour hammer321-1783965032117838691BStundenzähler-Stopphebelfeder321-1793965032117938829BSchalthebel für Doppelzeiger-Vorrichtung321-1774.BChronoteil321-151296503211512.BSchaltfeder Chrono321-173096503211730.BSternradwippenfeder321-173296503211732.BHerzhebelriegelwelle321-175296503211752.BStunden Blockierhebel321-178096503211780.BMitnehmertrieb mont.321-179196503211791.BChronoteil321-179496503211794