The MTM Black Patriot chronograph watch is a tactical and durable military timepiece with a NASA-grade carbon fiber or brass dial, subdials and a solid 316L stainless steel case (Also available in titanium). Properly protected with a locking screw down crown to ensure a water resistance depth of 660 feet. As one of the best military watches for men, the MTM Black Patriot is a classic and favorite for active duty military, veterans, police officers and firefighters. This durable and dynamic watch represents the strength of all Patriots and their freedom.