"Luminox Master Carbon SEAL Automatic Dive Watch features a CARBONOX+ case, a ground-breaking material that is light, durable, hypoallergenic, weatherproof, and shock- and scratch-resistant. Combining all the details for which Luminox is famous toughness, luminosity, extreme water-resistant, legibility, plus an automatic movement that also features a day and date window. To show off the mechanical movement powering this wristwatch, Luminox has added an exhibition case back to show off the movement and automatic rotor. A vibrant red cut-to-fit rubber strap pairs handsomely with the black dial. This Luminox diving watch with a black-out design features a 44mm CARBONOX case and water resistance up to 100m. This black-in-black dial is equipped with the proven Luminox Light Technology lighting system. ""Always Visible"", self-powered, for up to 25 years.Manufacturer model #: XS3875. 44mm CARBONOX case is light, durable, and scratch-resistant Luminox Light Technology glows for 25 years Water resistance up to 100m Cut-To-Fit rubber strap Black-out design"