Men's Uzi Defender Rubber Strap Watch, with genuine 25-year tritium glow! A tactical-tough Watch with self-illuminating tritium, guaranteed to deliver 25 years of consistent glow! It's an Uzi, hotter than a pistol (or an Uzi, I guess): Case is black-finish stainless steel, strong and corrosion-resistant. Comfortable, secure, adjustable rubber strap, the style divers prefer; Precision quartz movement, Swiss-designed and expertly made; Water resistant to 200 m (660 ft.) with screw-on case back and screw-down crown; Tritium light source needs no battery power or any other form of charging, and never needs maintenance. A minute quantity of tritium lights up the dye in tiny, airtight vials, sealed under high pressure. Easy to read even in total darkness; Rotating bezel to track elapsed time; Hardened mineral crystal; Second hand, date window; Efficient, with 3-year battery life.