The Navy SEAL RSC series watch by Luminox has a 45 mm case and sapphire crystal with anti-reflective coating. The case is made of stainless steel with a Carbonox rotating bezel. Carbonox is 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 RSC watch has a blue dial, blue rubber strap, and the US Navy SEAL Trident on the back of the watch case.