OMEGA 866 Exploded diagram Brand OMEGA Caliber 866 Size Function Version Hands Stem 6328 Gew.: 1.00 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) 860-1208 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.210= 320Third wheel320-124096503201240225= 861Sweep second wheel861-1243965086112432556BDatumstern- / Datumanzeiger- Mitnehmerrad866-1514965086615142577BDay jumper866-152196508661521.BFeder f.Datumkorrektor866-154296508661542.BFeder f. Mondphase866-154396508661543