OMEGA 212 Brand OMEGA Caliber 212 Size Function Version Hands 0,50x0,90 Stem 6422 Stem (subs.) Stem (2 pce) Balance staff 28817 Balance staff (subs.) Mainspring (subs.) eigen Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Winding stem8026422723Balance staff ST -shock-absorber80228817770= 210Mainspring210-120896502101208