Omega - A steel limited edition 'Speedmaster Mark II Co-Axial Rio 2016' wristwatch, circa 2016, model STZ000694, serial number 86792236, number 1121 of a limited edition of 2016, circular black dial with white batons and hands, centre chronograph sweep, inner bar minute track and outer tachymetre track, three subsidiary dials bordered in bronze, silver and gold respectively recording minutes (bronze) at 3H, running seconds (silver) at 9H and hours (gold) at 6H with integral date window, signed 31 jewel mechanical automatic movement, calibre 3330, with start/stop and reset pushers above and below the crown, cushion shaped case, 42mm wide, with recessed date pusher at 10H, verso with Rio 2016 logo, to a black strap with pin buckle, presented in a liveried case with outer card box and instruction booklet