Designed for quick and accurate readings under extreme conditions, this rugged watch receives radio signals that keep the time perfectly precise. It's mud resistant, fitted with a world clock and compass, bears multiple LED settings and features a solar-rechargeable battery-in short, this is one watch you can depend on. 58.7mm case; 28.7mm band width Buckle closure Three-hand quartz movement Day and date function Shock and mud resistant Bluetooth® connected LED backlight Solar-rechargeable battery Receives time calibration radio signals which keep the displayed time accurate Includes compass, altimeter, relative altitude readings, barometer, thermometer, world timer, stopwatch, alarms sunrise/sunset display and full auto calendar Water resistant to 20 ATM (200 meters) Sapphire crystal with antireflective coating Carbon fiber/stainless steel/resin Imported Packaged in a white square watch box