Armourlite AL813 Officer Series watch features a blue dial with Armourglass crystal, stainless steel band, blur/orange tritium markers and is 10 ATM water resistant. Product Specification Dial Window: Armourglass Dial Color: Metallic Blue Case Material: Stainless Steel Case Diameter: 45 millimeters Case Thickness: 14 millimeters Bezel: Stationary Band: Stainless Steel, 24mm Clasp: Deployment Calendar Type: Day and Date Movement: Swiss Ronda 517 Quartz Water Resistant Depth: 100 meters (10 ATM) Warranty: 2 Years Special Features: Luminous, 8mm Screw-Down Crown, 45 Months Battery