OMEGA 281 Brand OMEGA Caliber 281 Size Function SC Version Hands 0,95x1,70 Stem 7816 Stem (subs.) Stem (2 pce) Balance staff 33209 Balance staff (subs.) Mainspring (subs.) 1.50x11.5x0.14 Mainspring (subs.) = 4208 Battery Watchparts Part NocaliberdescriptionoriginalArtno.195= 260Barell arbor260-120496502601204205Center wheel drilled + cannon210Third wheel401Winding stem8027816443= 260Setting lever assembled260-110996502601109445= 260Setting lever spring260-111096502601110471= 280Friction spring f. sweep sec.-pinion280-125596502801255723Balance staff ST -shock-absorber80233209770= 260Mainspring260-120804208