The Navy SEAL EVO watch by Luminox has a 43 mm case and sapphire crystal with anti-reflective coating. 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 Navy SEAL EVO watch comes with a tan dial, tan integrated rubber strap, and has the US Navy SEAL Trident on the back of the watch case. This watch is officially licensed by the US Navy and created with their authorization and approval.