The Black Ops series is Luminox's signature Diver's watch. Tiny gas lights on the hands and hour markers are always lit, providing easy visibility even in low light or underwater conditions. This technology will last for years unlike the luminous paint used on most watches. Other features include screwed-in caseback, screw-down, protected crown, stainless steel case, water resistant to 200 meters, manucturerer's two year warranty.