42mm carbon composite case and bezel. Screw-on stainless case back with USMC logo emboss. Screw-in crown with rubber grip. Sapphire crystal with anti-reflective coating. Water resistant to 300 meters. Japanese quartz Miyota 2S60 3 hand and date movement with 10 year battery. Black rubber strap with steel tube for the spring pin molded into the strap. Swiss self-powered ProGlo T25 illumination system glows continuously for 25 years without needing to be charged by external light. Blackout design. Boxed.