Brand New Authentic Tudor Black Bay Chrono Black Dial Steel & Gold With Black Nato Strap Men's Luxury Watch Model M79363N-0006. Round Brushed and Polished Stainless Steel case with Black Nato strap. Tang clasp. Fixed Yellow Gold with engraved tachymetric scale lacquered in black bezel. Dial description: Gold Tone luminous hands with circle hour markers with 2 sub-dials on a domed black dial. Automatic Self Winding movement. Chronograph sub-dials display: Seconds, 60 Minute. Calendar: Date at 6 o'clock. Powered by Manufacture Calibre MT5813 (COSC) engine with 70 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Chronograph. Screw down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Solid case back. 200 Meters - 660 Feet water resistant. 5-year WatchMaxx warranty.