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 Black Leather 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. Calendar: Date at 6 o'clock. Chronograph sub-dials display: 60 Second, 30 Minute. 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: 48.5mm. Case thickness: 51.5mm. Solid case back. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty.