Professional divers use the Luminox Master Watch. Perfect for scuba diving or other underwater activities. Luminox Master has a carbon fiber casing and Swiss Quartz movement. The luminous hands are visible in the dark, and the battery reserve keeps the watch running after submerging. Waterproof to 300 meters/990 feet, Luminox Master watches. Luminox watch is great for specialists and professionals since it lets them maintain dive schedules and records without hauling heavy diving equipment. It tells them when they may safely resurface. This tool helps regular divers measure their diving progress. This watch's luminous date glass shows the date in low light.