Polar F6F Black Diamond

This watch with button-free heart rate monitor operations and more helps you get the most out of your workout.
OwnCal® feature counts calories and fat burned based on your own effort level
OwnZone® Advanced feature takes the guesswork out of finding your personalized target zone
OwnCode® eliminates interference from other heart rate monitors
Provides fitness bullets every 10 minutes you are in your target zone
Zone Pointer feature displays your current position in the target zone
Backlight lets you view the display in low-light conditions
Full watch features include stopwatch and exercise time
Water resistant to 98.4 feet (30 m)

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