http://reviewsofgpswatches.com/ The Forerunner 310XT watch is a GPS-enabled, swim-proof trainer that tracks bike and run data and sends it wirelessly to your computer. The Forerunner 310XT moves easily from wrist to bike, with the optional quick release and bike mounts, making the transition between sports effortless. And its slim design and flexible wristband mean Forerunner is easy to wear in any conditions. This Garmin Forerunner 310XT is the triathlete’s indispensable training tool.