Model: Luminox Watch - Luminox EVO Ultimate SEAL Chronographs - Luminox 8151 Case material: Brushed solid stainless steel case with screw down case back Case dimensions: 44mm (1 3/4") in diameter; 13.5mm (9/16") in thickness Weight: 4.2 oz Movement: Swiss quartz chronograph movement Crystal type: Highly scratch resistant sapphire crystal Crown Screw down crown Water resistant: 200 meters Dial color: Black dial Lug size: 22mm Band type: Black rubber strap Band length: Will fit 6 1/2 to 8 3/4" wrist Additional features: Chronograph functions; Date display; Luminous hands and markers; Unidirectional rotating bezel Warranty: 1 year manufacturer's warranty on all Luminox watches; 10 year manufacturer's warranty on Luminox's illumination system