The Smith & Wesson SWW-GRH-1 Mumbai Lamplighter Watch is both stylish and easy to read in low light conditions and even in total darkness. 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. The time piece is water resistant to 100-meters (330-feet), which can stand up to the rigors of recreational scuba diving. The Smith & Wesson Mumbai Lamplighter features precision quartz Japanese component movement and includes (3) hands to show the hours, minutes and seconds. The watch measures 42-millimeters. The Smith & Wesson SWW-GRH-1 Mumbai Lamplighter Watch comes with a 1-year limited warranty. These merits have made Tritium H3 watches an absolute must in the emergency, safety, and protection sectors as well as in the armed forces. They are also ideal for fans of adventure and sport.