Omega 145.022-69 ST Speedmaster Pre-Moon Straight Writing 145 022 69 ST 14502269, stainless steel HF case on an Omega 1171 bracelet with 633 endlinks and a folding deployant clasp, original “dot next to 90” bezel, manual wind Omega caliber 861 movement, original black dial with original tritium lume, 12-hour chronograph, 32M serial number (c. 1969), diameter: 42mm, thickness: 14mm, Excellent Condition.