4
Wearing Your Watch
All-day Wear and Exercise
For all-day wear when you’re not exercising, wear the device on your wrist horizontally, a
finger’s width below your wrist bone and lying flat, the same way you would put on a
watch.
For optimized heart rate tracking, keep these tips in mind:
1. Experiment with wearing the watch higher on your wrist during exercise. Because
the blood flow in your arm increases the farther up you go, moving the watch up a
couple of inches can improve the heart rate signal. Also, many exercises such as
bike riding or weight lifting require you to bend your wrist frequently, which is more
likely to interfere with the heart rate signal if the watch is lower on your wrist.
2. Do not wear your watch too tight. A tight band restricts blood flow, potentially
affecting the heart rate signal. This being said, the watch should also be slightly
tighter (snug but not constricting) during exercise than during all-day wear.
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