The Leatherback Sea Turtle Giant Outdoor Luminox watch has a 44 mm case and mineral crystal. The case is made of Carbonox a carbon compound material that is six times lighter than steel as well as shock and scratch resistant. The Luminox watch comes with their signature light technology which provides self-powered illumination lasting 25 years with no external light source needed. The Leatherback Sea Turtle Giant Outdoor watch has a black dial with yellow outer ring, a black rubber strap, and displays the date. The watch gets its name from the design of the watch case. With a protected crown and similar outcropping opposite of the crown, the design makes the case resemble the shape of a turtle
