Designed with all the drama of the original, this OMEGA Constellation Co-Axial Master Chronometer Automatic Watch is given even more presence with its powerful black and steel colourway and its precision movement. At A Glance  Presented on a black leather strap 41mm stainless steel case with black ceramic bezel and 50m water resistance Domed scratch resistant sapphire crystal with anti-reflective coating on both sides black sun-brushed dial with baton and Roman numeral hour markers Date window at 6 o’clock Anti-magnetic. Protected against magnetic fields greater than 1.5 tesla Powered by the OMEGA Co-Axial Master Chronometer Calibre 8900 automatic self-winding movement 60 hours power reserve