• Waterproof to a depth of 50 meters, so you can wear it in the pool or the lake to time your swim
• Tracks bike and run data and sends it wirelessly to your computer
• Track your position, distance, pace, heart rate (with bundled monitor), add accessories to measure power data and more
• 20 hours of battery life
• One-year limited warranty

Product Description
Finally, a GPS-enabled training device that isn’t afraid of the water. The rugged Forerunner 310XT is the triathlete’s indispensable training tool — a GPS-enabled, swim-proof trainer that tracks bike and run data and sends it wirelessly to your computer. This multi-sport device has up to 20 hours of battery life, tracks distance, pace and heart rate, and goes from wrist to bike in seconds.Amazon.com Product Description
Finally, a GPS-enabled training dev… More >>

Garmin Forerunner 310XT GPS Enabled Sports Watch with Heart Rate Monitor

• Loaded with serious training features, Forerunner 405CX continuously records your time, distance, pace, calories burned and heart rate.
• And advanced training features will challenge you to step up your pace race against Forerunner’s Virtual Partner
• Forerunner 405CX comes with a flexible, wireless heart rate monitor to help you make the most out of your training.
• With Forerunner 405CX, you can share your locations, advanced workouts and courses wirelessly with other Forerunner 405 users.
• Once you’ve logged the miles, innovative ANT+ wireless technology automatically transfers data to your computer when Forerunner is in range.

Amazon.com Product Description
The Forerunner 405CX is the evolution of GPS-enabled training. This sleek sport watch tracks your distance, pace and heart rate, then wirelessly sends the data to your PC for later analysis. The 405CX features heart rate-based calorie computation and comes with a second wrist band option suitable for smaller wrists. The evolution of GPS-enabled training. Continuously records your time, distance, pace, calories burn… More >>