Brand New Authentic Hamilton Khaki Field Auto Chrono Black Dial Leather Strap Men's Fashion Watch Model H71706830. Brushed Stainless Steel case with Green Calfskin Leather strap. Brushed and Polished Stainless Steel Tang clasp. Smooth bezel. Dial description: Luminous Silver Tone Hands and Arabic Numeral Hour Markers with Minute Markers Around the Outer Rim and 3 Sub-dials on a Black dial. Swiss Automatic. Chronograph movement. Chronograph sub-dials display: Seconds, 12 Hours, 30 Minute. Powered by Hamilton Calibre H-21 engine with 60 hours power reserve. Watch functions: Hour, Minute, Second, Power Reserve, Chronograph. Push-Pull crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 44mm. Case thickness: 14.10mm. Solid case back. 100 Meters - 330 Feet water resistant. 2-year WatchMaxx warranty. Also known as model: 71706830.