Omega Style No: 227.32.55.21.03.001 Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer - 55 x 45 mm O-Megasteel Case - Blue Dial

55 x 45 mm o-megasteel case, famous screwed-in crown, flat scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sun-brushed blue dial Summer Blue with a gradient finish to reflect the watch’s level of water resistance, Omega 8912 self-winding movement, original-style blue rubber strap. Water resistant to 1200 metres (4000 feet).