Hazard 4(R) heavy water diver(r) watches glow continuously using self-powered tritium (H3) Swiss mini-lamps like in your pistol night sights - won't fade overnight like lume paint. Built with 100% titanium, This 50mm large watch is Only 1/2 the weight, but double the strength of a steel watch. A proven dive watch, it is water resistant to 300M/ 990 ft. Depth. The unique, bold, military styling Features easy-to-read numerals and our exclusive integrated 24-hour scale. The submarine-inspired aesthetics carry into the precision, 60-click unit-directional dive bezel topped with tritium zero indicator and the Easy-turn screw-down crown. The face numerals are 3D stencil 2-layer design which along with angled chapter ring makes it not only tactical, but also a sophisticated Timepiece suitable for the office or formal event. Available in an unprecedented range of tactical and Urban oriented colors/finishes - they come equipped with a variety of straps and bracelets. Used in the most extreme environments by special Forces, explorers, and professionals worldwide, It won't let you down and makes an unforgettable formal present.