An authentic Tudor Black Bay 31 watch model M79600-00, also known as M796000002. Features a brushed and polished steel case on a stainless steel bracelet with folding clasp closure. The blue dial includes silver tone hour, minute, and second hands along with Dot/Index hour markers featuring minute markers around the outer rim for easy reading. Powered by Tudor Calibre MT5201 automatic self-winding COSC certified movement boasting 50 hours of power reserve. Essential functions include date display, power reserve indicator, hour hand, minute hand, and seconds hand. The screw-down crown adds to its robustness, while the scratch-resistant sapphire crystal ensures a clear view of the dial. This round steel case measures 31mm in diameter. It is water resistant up to 100 meters (approximately 330 feet). Backed by a 5-year Tudor WatchMaxx warranty.