OMEGA DYNAMIC Gentleman's Omega Genève Dynamic automatic calendar wristwatch, ref. 166.039, movement: Cal. 565, with gold-plated stainless steel ellipse shaped 41mm case, two-tone bullseye dial with outer minute track, white baton markers, central seconds hand and date window. Circa 1970s. With the original Omega tan leather bracelet and buckle. Nice working condition, small dent on case, light scratches.