The Luminox® 3581 Navy SEAL Chronograph Sports Watch is a great choice for hardcore outdoor adventures. This sports watch maintains its lightweight, durability, and corrosion resistance with a CARBONOX™ case, and a stainless steel case back. The unidirectional rotating bezel is also made of CARBONOX, and has a light tube at 12 o'clock. A tempered, scratch-resistant mineral crystal resists extreme use in the outdoors. Constant glow, 25-year night vision tubes illuminate face so you can tell time in any light, even in absolute darkness. Made to endure wet conditions, the Navy SEAL Chronograph features a black signature PU strap and a brushed, stainless steel buckle. Tested for water resistance down to 200 meters (660 feet). 45mm. Imported. Manufacturer model #: XS.3581.BO.