Omega - a Speedmaster Professional 300M chronograph watch, 41mm. Omega - a Speedmaster Professional 300M chronograph bracelet watch. Stainless steel case and calibrated bezel. Case width 41mm. Reference 178 0515, serial 78118302. Signed automatic calibre 3301. Black dial with luminous hour markers, subsidiary recorder dials to three, six and nine, date aperture to six. Fitted to a signed stainless steel bracelet with folding clasp.
