Powered by a long-lasting silver-oxide battery (included), MTMs limited-edition Special Ops Grey Patriot Titanium Watch keeps you in the know and on schedule for as long as three years. Its rugged case is crafted from solid titanium and features a sandblast grey finish to deliver one tough, adventure-ready timepiece. An anti-reflective and scratch-resistant crystal-sapphire face and unidirectional, ratcheting titanium bezel add to its impressive durability. Plus, 60-minute OS20 chronograph quartz movement, an integrated date window and luminous hands make it quick and simple to read at a glance no matter the time of day or night. Also boasts a screw-down, locking crown and case back. Each comes individually numbered to signify it as a limited-edition piece. Remains water-resistant to 200 meters. Manufacturers three-year warranty. Case dia: 44mm. Wt: 6 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Analog/Chronograph Watches.