Water resistant to 100-meters (330-feet). A scratch resistant hardened mineral glass crystal protects the dial of the watch. Features precision quartz Swiss component movement and includes 3 hands to show the hours, minutes and seconds. The tritium light source will provide 20 years worth of consistent glow. Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving. The Men's Smith & Wesson Men's SWW-88-B Emissary Tritium H3 Basic Round Black Face Watch is one of the easiest in the world to read in low light conditions and even in total darkness. This watch is equipped with a tritium light source, which will provide 20 years worth of consistent glow. This tactical-tough watch is resistant to water, oil, and the most corrosive materials. From the first look, you'll notice the black face and Smith & Wesson logo with black stainless steel and Zulu wristbands (both included). This watch is water resistant to 100-meters (330-feet), which will stand up to the rigors of recreational scuba diving. The Smith & Wesson Emissary includes a rotating bezel to help track elapsed time, date display, and a scratch resistant hardened glass that protects the dial. This watch includes precision quartz Swiss component movement.