Track your runs with GPS and altimeter. Train with Audio Guided Runs. Pair your watch wirelessly with compatible gym equipment. Apple Watch Nike is swimproof, so you can take a post-run dip in the pool. And built-in cellular lets you stream your favorite music and get phone calls, messages, and notifications—even when you don’t have your phone. There are exclusive Nike watch faces. And the Nike Sport Band has compression-molded perforations for breathability.