New Tudor Black Bay 31 watch model M79603-0001. Features a black dial with luminous yellow gold tone hands and circle/stick hour markers alongside minute markers on the outer rim. Crafted from brushed and polished stainless steel case paired with a brushed and polished yellow gold plated stainless steel bracelet band, secured by a folding clasp. Yellow Gold bezel is screw-down fixed. Equipped with Swiss automatic chronometer movement (Tudor Calibre MT5201 COSC). 50-hour power reserve. Functions include hour, minute, second, and power reserve indicators. Scratch-resistant sapphire crystal face. Round case measures 31mm diameter by 9.5mm thick. Solid screw-down case back offers water resistance up to 100 meters (approx. 330 feet). Includes a 5-year WatchMaxx warranty. Also known as model number M796030001.