When you can rely on Instinct™, the world can rely on you. This rugged Garmin GPS watch is built to MIL-STD-810G and is water resistant up-to 100 metres. A built-in 3-axis compass and barometric altimeter plus multiple Global Navigation Satellite Systems helps you track in more challenging environments. Monitor your heart rate all day and take your training to the next level with preloaded activity profiles. Smart notifications at the wrist keep you connected to the world, while the TracBack® navigation feature and Garmin Explore™ website & app give you the tools to explore it.