fenix is built to endure the toughest outdoor conditions, combining a high-strength housing to survive shocks with a mineral glass lens to resist scratching. It boasts a large LCD display with LED backlight and a robust polyurethane wristbands. Garmin's outdoor watch is waterproof to 50 meters and has a battery life of up to 50 hours in GPS mode (depends on settings) and up to 6 weeks in watch mode. Basic watch functions include alarms, tones, vibration alerts, timer, stopwatch and world clock with the ability to display several times zones at once