OMEGA 1152 Exploded diagram Brand OMEGA Caliber 1152 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.705= 7750Escape wheel -pinion straigt piv.920007057750