Authentic Tudor Black Bay 58 GMT automatic watch with model number M7939G1A0NRU-0002. Features a brushed and polished stainless steel case equipped with a black rubber strap secured by a folding clasp, an aluminum bezel with bidirectional rotating capability. The black dial includes luminous rose gold tone hands, circle/stick hour markers, minute markers around the outer rim, a central GMT hand, and the date function at 3 o'clock. Powered by Tudor Calibre MT5450-U automatic chronometer movement offering 65 hours power reserve. Equipped with sapphire crystal for scratch resistance. Includes screw-down crown, unique case shape measuring 39mm diameter and 12.8mm thickness, solid case back, water resistant to 200 meters (660 feet), and comes with a 5 year Tudor WatchMaxx warranty.