The Luminox XS0301BOL Features a turtle-shaped case that has been crafted from their famous CARBONOX material. The watch is sporting an almost all-black design sparing some white accents for hour markers and the watch's hands. The dial has a date window for added functionality. Luminox watches are known around the world for their rugged durability and their use by various defence forces around the world. Their watches are made to be able to withstand any environment under any conditions. - Swiss Made- 39mm Case Size - Carbonox Case - Silicone Band- 50 Months of Approximate Battery Life - Constant Glow for up to 25 Years - Unidirectional Rotating - Hardened Mineral Crystal - 100 Meters Water Resistant