The Garmin epix (Gen 2) Sapphire is a reliable outdoor GPS watch that has a water resistance rating of up to 100 meters (10 ATM). The fiber-reinforced polymer case adds strength and durability and the stainless steel bezel has a sapphire crystal display that is high-contrast enough to read in bright sunlight so you can take it with you into the extremes you face every day. Plus the silicone band ensures a secure fit and keeps you from getting caught on things.The epix (Gen 2) Sapphire GPS watch comes with a built-in 3-axis compass and barometric altimeter that help you keep your bearings. Take the guesswork out of your return journey by using the Multi-GNSS support feature to navigate challenging environments. The Pulse OX Sensor GPS uses light beams at your wrist to gauge how well your body is absorbing oxygen and the in-built Body Battery Energy Monitor helps you optimize your body’s energy reserves. Trek far and wide between recharges with the Expedition Mode that has an ultra low-powered GPS reference.