OMEGA 20 Brand OMEGA Caliber 20 Size Function Version Hands Stem DCN 576 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.705BEscape wheel -pinion straigt piv.20F-1305965020F1305
