You want to run without a phone and without worries. You also want a watch that takes training as seriously as you do. Passionate runners and triathletes: this device is for you. Get more features on the wearable without making it too big or heavy. Outpace your competitors with a lightweight, sporty smartwatch. Whether it's open water swimming or long training sessions - this watch is up to the challenge. The silicone strap and durable Corning Gorilla Glass DX can handle almost anything.