Brand New Authentic Hamilton American Classic Chrono-Matic 50 Auto Chrono Limited Edition Black Dial Leather Strap Unisex Sports Watch Model H51616731. Brushed Stainless Steel case with Brushed Stainless Steel strap. Brushed Stainless Steel Tang clasp. Fixed bezel. Dial description: Luminous Silver Tone Hands and Stick Hour Markers with Minute Markers and a Tachymeter Scale Around the Outer Rim, 2 Sub-dials with the Date at 6 o'clock on a Black dial. Swiss Automatic. Chronograph movement. Chronograph sub-dials display: 60 Second, 30 Minute. Calendar: Date at 6 o'clock. Powered by Hamilton Calibre H-31 engine with 60 hours power reserve. Watch functions: Hour, Minute, Second, Chronograph, Date, Power Reserve. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 48.50mm. Case thickness: 16.05mm. Solid case back. 100 Meters - 330 Feet water resistant. 2-year WatchMaxx warranty.