Casio G-Shock x Master Of G ft. Triple Sensor Rangeman Men Casual Sports Round 200m Water Resistant Watch GW-9400-1B GW9400 GW-9400 Experience the ultimate rugged timepiece designed for men who dare to conquer harsh natural environments. Featuring a triple sensor, button guard cylinder structure, and intuitive operation, this watch is built for extreme adventures while maintaining a powerful, tough design that exudes durability. Battery Life / Accuracy Tough solar (8 months without exposure to light) (+/-15 seconds per month) Crystal Mineral crystal Light LED backlight (super illuminator, full auto LED light, selectable illumination duration, afterglow) Case & Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 18.2 mm Diameter: 53.5 mm Length: 55.2 mm Other Specifications Casio G-Shock x Master Of G ft. Triple Sensor Rangeman Shock resistant Radio-controlled (multi band 6) Altimeter (measuring -700 to 10,000 meters) Barometer (260 to 1,100 hPa) Digital compass (0° to 359°) Thermometer (-10°C to 60°C) World time (31 time zones) Sunrise, sunset time display 1/100-second stopwatch Countdown timer 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off Power saving (display goes black to save power when left in the dark) Battery level indicator 12/24-hour format Regular timekeeping (digital display) Time calibration signal reception (auto receive up to six times a day) Sensor manual data recording (40 records)