Smith and Wesson Sport Watch SWW 450 swiss tritium watch H3. The sport swiss tritium H3 Watch is a timepiece designed to keep up with your active lifestyle, maintaining its dependability and striking look and providing a dial that can be viewed in low light conditions and total darkness. Designed with a black stainless steel case and rotating timing bezel, this tactical tough watch has scratch resistant hardened mineral glass crystal to protect the Thailand movement, Swiss components, calendar date and the (3) white hands that display the hours, minutes and seconds. This watch is water resistant up to 200 meters (660 feet), which will stand up to the rigors of recreational scuba diving. The Sport is equipped with a tritium light source that is sealed under high pressure and resistant to water, oil and the most corrosive materials to provide over 20 years of constant glow. These merits have made Swiss Tritium H3 watches an absolute must in the emergency, safety, and protection sectors, along with fans of adventure, sport and those in the armed forces. This watch includes a black rubber band and has a black dial with white numbers and measures 40 mm in diameter.