Designated the official watch of the United States Marine Corps, this tactical timepiece is built with the highest quality components to stand up to the rigors of everyday life. It features the Swiss self-powered tritium illumination that lights up the hands, dials, and bezel pip for 25 years without requiring charging from a light source. It has reliable Japanese Miyota quartz movement that provides impeccable timekeeping and a 10-year battery. The face is protected by an anti-reflective, scratch-resistant sapphire crystal, while the stainless steel back of the carbon composite case displays an embossed United States Marine Corps logo. Its 3/4"-wide rubber strap fits wrists up to 81/4" in circumference. Water resistant down to 300m. Case/case back: 42mm. Desert, Black, or Green.