Already a legend within the Omega family, the Omega Globemaster Constellation Co-Axial Master Chronometer watch is the brand’s most advanced mechanical movement yet and is the world's first Master Chronometer. Sleek and sophisticated, this beautifully designed watch is fastened with a grey leather strap and features a 39mm stainless steel case with a hard metal scratch proof fluted bezel. Scratch-resistant sapphire crystal protects the opaline silver "Pie Pan" dial that's reminiscent of the first Constellation model in 1952, enhanced by Super-LumiNova filled hands and baton hour markers, a date window at 6 o'clock and a rhodium-plated Constellation star above the date window for an iconic finish.This immaculate watch is water resistant to 100m and is powered by a self-winding movement with Co-Axial escapement and a Calibre: Omega 8900 and a power reserve of 60 hours. Featuring revolutionary anti-magnetic technology, this masculine, yet elegant watch is revolutionary and sets new standards of style and quality. O13033392102001