Designed for diving, this TAG Heuer Aquaracer Professional 300 Night Diver Men\'s Watch is a confident, high performing piece. Perfect for the most adventurous explorers who aren\'t afraid to push life to the limits. At A Glance Presented on a black rubber strap and newly developed adjustable clasp system 43mm stainless steel case with screw in crown and a water resistance of 300m Black dial with black unidirectional ceramic bezel and dive scale Scratch resistant sapphire crystal glass Octagonal indexes with large set hands set with Super-LumiNova Powered by the automatic calibre 5 movement Power reserve of 38 hours