Brand New Authentic Hamilton Khaki Aviation X-Wind Chrono Quartz GMT Men's Watch Model H77912335. Stainless Steel Case with Black Rubber Strap . Tang clasp. Dial description: Black Dial with Silver Arabic Hour Markers dial. Battery Operated Quartz movement. Calendar: Date at 3 o'clock. Chronograph sub-dials display: 60 Second, 12 Hours, 24 Hour. Scratch Resistant Sapphire crystal. Round case shape. Case size: 46mm. Solid case back. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty.