GARMINf?nix® 5XSLATE GRAY SAPPHIRE w/BLACK BAND•Ultimate multisport GPS watch with full-color TOPO U.S. mapping routable cycling maps and other outdoor navigation features•Elevate™ wrist heart rate technology(See Garmin.com/ataccuracy)•Fit for adventure with rugged design that features PVD-coated stainless steel bezel buttons and reinforced housing for extra durability•Put key stats at your fingertips with the performance widget that shows the effects and progress of your workouts•Connected features(When paired with a compatible smartphone; see Garmin.com/BLE) include smart notifications automatic uploads to Garmin Connect™ online fitness community and personalization through free watch faces and apps from our Connect IQ™ store•Built-in navigation sensors include GPS and GLONASS capability to track in more challenging environments than GPS alone as well as 3-axis compass gyroscope and barometric altimeter•Sapphire editions feature a scratch-resistant sapphire lens and are also Wi-Fi®-enabled so your watch can connect to your wireless network and automatically send activity uploads for sharing on Garmin Connect•Battery life: up to 2 weeks in smartwatch mode (depending on settings) up to 24 hours in GPS mode or up to 75 hours in UltraTrac™ battery saver mode•QuickFit™ watch band combinations•Water-rated to 100 meters•Bright high-resolution full-color Garmin Chroma Display™ with LED backlighting assures great readability in all ambient conditions