OMEGA 685 Exploded diagram Brand OMEGA Caliber 685 Size Function Version Hands 0,50x1,10 Stem 5020 Stem (subs.) 5047 Stem (2 pce) Balance staff 21801 Balance staff (subs.) Mainspring (subs.) 683-1208 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.210670Third wheel670-124096506701240220= 663Second wheel -short pivot683-124396506831243401Winding stem8025020401Aufzugwelle Ersatz8025047443= 683Winkelhebel683-110996506831109723Balance staff ST -shock-absorber80221801771= 683Mainspring AUT sliding attachemnet683-1208965068312081482= 683Ratchet wheel driving wheel683-1437965068314371496= 683Oscillating weight axle683-140096506831400