Reactor Mens Gryphon Hawaii Lifeguard Edition - Black Nitromid Polymer CaseBuilt with Reactor's trademark DNA, and offering additional features such as Never Dark illumination and a tough nitromid polymer case, the Hawaii Lifeguard Graphon is the perfect watch for the adventurous diver. Black dial with Never Dark Illumination technology Nitromid polymer with forged 316L stainless steel core: A 316L stainless steel core wrapped in a space age Nitromid polymer shell makes the only plastic watch tough enough to be called a