Casio G-Shock x GA-400 Series ft. Metallic Vivid Men Casual Sports Round 200m Water Resistant Watch GA-400SK-1A4 GA400SK GA400 GA-400 GA-400SK G-SHOCK's latest creation pays homage to the iconic styles of the 80's while infusing them with modern flair. The result is a bold, eye-catching timepiece that seamlessly blends past and present. With its vibrant two-tone coloring and semi-transparent resin, this watch is sure to make a statement on any wrist. Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Mineral crystal Light LED light (auto light switch, selectable illumination duration, afterglow) Case & Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 18.3 mm Diameter: 51.9 mm Length: 55.0 mm Other Specifications Casio G-Shock x GA-400 Series ft. Metallic Vivid Shock resistant Magnetic resistant World time (31 time zones) 1/100-second stopwatch Countdown timer 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Hand shift feature Regular timekeeping (analog-digital display)