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My wife wears it above the wrist upside down. She is a personal trainer so it gets used and abused daily. The heart beat is very accurate.
Sorry, there was a problem. Please try again later.I went to my doctor the other day and he wanted to test it with his heart rate monitor. The doctor was very impressed how accurate it was!!
Sorry, there was a problem. Please try again later.For troubleshooting the optical heart rate accuracy, please contact Garmin support: http://garmin.com/support ^DK
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