Bigger, Bolder & Tougher - Built for those individuals who thought they could not wear a watch because their profession was too punishing on anything on their wrist. We proved you wrong! We equip you with an Armourglass crystal, steel connecting rods and a reliable Swiss movement. Professionals, your watch is ready. Product Specification Dial Window: Armourglass Dial Color: Black Case Material: Black Stainless Steel Case Diameter: 47 millimeters Case Thickness: 14 millimeters Bezel: Unidirectional with a tritium marker Band: Black Stainless Steel, 22mm Clasp: Deployment Calendar Type: Day & Date Movement: Swiss Ronda 517 Quartz Water Resistant Depth: 100 meters (10 ATM) Warranty: 2 Years Special Features: Luminous, 45 Month Battery, 8mm Screw-Down Crown