The Men’s Luminox Watch LU3083 Colormark Chronograph 3080 features a 44mm case. The case back & unidirectional ratcheting bezel are all made from molded carbon-reinforced polymer, & the crystal is highly scratch resistant. The Luminox Watch LU3083 Colormark Chronograph 3080 also features hardened & tempered mineral glass. The signature PU strap features the Luminox shield. The double-gasket, push-in crown & construction of the watch case ensure water resistance to 200 meters. Tic Watches offer a 2 Year Warranty with the LU3083 Luminox Watch.