Authentic Omega men's watch, model 131.13.39.20.01.001 or 13113392001001. Features a stainless steel case and black leather strap with rubber lining including a tang clasp. The fixed bezel incorporates Roman numeral hour markers, complemented by white gold-colored hands; the dial itself is black. Powered by an automatic Omega Calibre 8800 movement offering 55 hours of power reserve and equipped as a Master Chronometer. Includes date functionality and second subdial visible through sapphire crystal which is scratch resistant. Water resistant to 50 meters (165 feet). Comes with a 5 year WatchMaxx warranty.