Brand New Authentic Tudor Black Bay GMT Automatic Black Dial Leather Strap Men's Fashion Watch Model M79830RB-0002. Brushed and Polished Stainless Steel case with 'Terra di Siena' Brown Leather Strap . Brushed and Polished Stainless Steel Folding clasp. Bi-directional Rotating Bezel. Aluminum bezel. Dial description: Silver Tone Luminous Hands and Circle/Stick Hour Markers with Minute Markers Around the Outer Rim and the Date at 3 o'clock on a Black Dial. Swiss Automatic. GMT movement. Calendar: Date at 3 o'clock. Chronograph sub-dials display: Date. Powered by Tudor Manufacture Calibre MT5652 engine with 70 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, GMT. 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. Also known as model: M79830RB0002.