A legendary name in the OMEGA family, the Globemaster become the world's first Master Chronometer in 2015, further enhancing its rep utation within the watchmaking industry. For this 41 mm model, the stainless steel case features a hard metal (tungsten carbide) bez el. The caseback includes a Central Observatory medallion set in scratch-resistant sapphire crystal. The sun-brushed green "Pie Pan" dial is reminiscent of the first 1952 Constellation model. Each of its facets includes a month of the year in keeping with the Annu al Calendar function. There is an 18K white gold Constellation star and OMEGA logo, and 18K white gold facetted hands and indexes wh ich have been filled with Super-LumiNova. This watch has a green leather strap and is driven by OMEGA's Co-Axial Master Chronometer Annual Calendar Calibre 8922, featuring revolutionary anti-magnetic technology. FEATURES Annual calendar Antimagnetic Chronometer D ate Master Chronometer Certified Transparent case back TECHNICAL DATA Between lugs: 20 mm Bracelet: leather strap Case: Steel Case d iameter: 41 mm Dial colour: Green Crystal: Domed scratchresistant sapphire crystal with antireflective treatment on both sides Wat er resistance: 10 bar (100 metres / 330 feet)