OMEGA Speedmaster Professional men's chronograph wristwatch in polished stainless steel. Round case with tachometric bezel. Black dial with 3 subdials featuring planets. Articulated bracelet with folding clasp. Automatic movement. Numbered 77139981. Back marked "Flight-qualified by Nasa for all manned space missions from the Moon to Mars N°1111". Case diameter (excluding crown) 41 mm With international warranty cards (one dated 2005) in cardholder, booklet, case and box (damaged). Additional links are included. Very good condition, very little worn OMEGA: Men's stainless steel wristwatch, automatic, Speedmaster professional model "From the moon to mars", N° 77139981, with box and papers, box damaged, with three additional links