Brand New Authentic Hamilton Khaki Aviation X-Wind Auto Chrono Chronograph Blue Dial Leather Strap Men's Dress Watch Model H77506540. Brushed and Polished Stainless Steel case with Brown Calfskin Leather Strap with White Contrasting Stitching watch band. Brushed Stainless Steel Tang clasp. Fixed. Inner Rotating bezel. Dial description: Luminous Silver Tone Hands and Arabic Numeral Hour Markers with Minute Markers Around the Outer Rim, 3 Sub-dials and the Day-Date at 9 oâclock on a Blue dial. Swiss Automatic. Chronograph movement. Powered by Caliber H-21 engine with 60 hours power reserve. Watch functions: Power Reserve, Hour, Minute, Second, Chronograph. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 44mm. Case thickness: 15.60mm. See-Through Case Back. 100 Meters - 330 Feet water resistant. 2-year WatchMaxx warranty.