Now its easier than ever to see how far, how fast and how hard you've Â worked: The swim watch puts it all at your flipper/finger tips. Bundled with a USB ANT stick it gives you all the detailed swim metrics you need for the pool, the lake or the sea. The watch is super hydro dynamic in shape reducing it's drag and super lightweight so you won't notice it on your arm. Functions include Length/ lap/ stroke count, Distance/ Pace, Calories, Efficiency index (number of strokes plus time for a given length) and Stroke type identification. Water resistant to 50 m with a 100 set memory, 1 year battery life and LCD sleep mode for power savings. You can send training data to your computer via the included USB ANT stick, so you can analyse your performance on Garmin Connect.