OMEGA 227.32.55.21.03.001 Seamless Co-Axial Movement 18K Sedna Gold Case Blue Dial Leather StrapProduct Description A special "Proprof" designed based on the original Omega model from the 1970s. Made of O MEGA steel, the sunburst finish dial color is Omega's unique Summer Blue. The gradient reflects the level of water resistance of the watch. The bezel is made of transparent sapphire crystal. The blue background highlights the light blue diving scale. The iconic monoblock case features the famous screw down crown and a security push button with