Authentic Hamilton Khaki Aviation Pilot Pioneer Chrono Quartz Men's Watch Model H76512755. 41mm Stainless Steel case with Black Leather strap, Tang clasp and Fixed bezel. Silver dial features a scratch resistant Sapphire crystal. Powered by reliable quartz Chronograph movement equipped with Screw Down crown. Solid case back provides additional protection. Offers robust water resistance to 100 meters or 330 feet. Includes a 2 year WatchMaxx warranty.