Authentic Omega Speedmaster Moonwatch, model number 311.98.44.51.51.001 (also known as 31198445151001). Features a brushed and polished black ceramic case with a black alligator leather strap equipped folding clasp. The black dial displays luminous white gold hands, diamond hour markers, minute markers around the outer rim, date at 6 o'clock, chronograph sub-dials for seconds and dual time functions, fixed bezel set with diamonds. Powered by an Omega Calibre 9300 automatic mechanical movement featuring Swiss Co-Axial technology and a power reserve function. Includes scratch-resistant sapphire crystal, transparent case back, water resistance to 50 meters (165 feet), and comes with a 5-year WatchMaxx warranty.