Holding down the center button will cause the watch to start looking for your heart rate via your finger. This was very touch and go. Sometimes, the heart
LifeTrak Zone R420 (Smart Watch / Fitness Tracker): 3.5 out of 5 stars from 2 genuine reviews on Australia's largest opinion site ProductReview.com.au.
GoWatch 770
Essential Ceramic All Black TX
FR70
Multi-Sport GPS
Elementum Terra Steel
Health Watch