42mm carbon composite case and bezel with screw-on stainless back. USMC logo embossed case back. Screw-in crown with rubber grip. Sapphire crystal with anti-reflective coating. Water resistant to 300 meters. Japanese quartz Miyota 2S60 three hand and date movement with 10 year battery. Black rubber strap with steel tube for the spring pin molded into strap. Swiss self-powered ProGlo T25 illumination system that is 100x brighter than traditional lume and glows continuously for 25 years. Boxed.