Casio Tactical G-Shock 51mm Analog-Digital Watch w/Black Case - Men's Beige One Size. The two-tone utility color line evokes the functional look of a great piece of kit. Specifications for Casio Tactical G-Shock 51mm Analog-Digital Watch w/Black Case - Men's: Manufacturer: Casio Size: One Size Gender: Male Fabric/Material: Resin Case Diameter: 51 mm Water Resistance Level: Water Resistant Water Resistant Mark: 200 m Weight: 72 g Battery Type: Lithium Metal CR2032 Lens Material: Mineral Glass Battery Life: 3 years Weather Resistance: Shock Resistant Age Group: Adults Features of Casio Tactical G-Shock 51mm Analog-Digital Watch w/Black Case - Men's Shock Resistant Water Resistant to 200 Meters 3-Year Battery Life Stopwatch Countdown Timer 5 Alarms LED Backlight 12/24 Hour Format Analog-Digital Dial World Time Package Contents: Casio Tactical G-Shock 51mm Analog-Digital Watch w/Black Case - Men's Casio GA-110TU-1A5CR: Tactical G-Shock 51mm Analog-Digital Watch w/Black Case - Men's Beige One Size