I wear one. Bought it for work, wear it all the time. I love it.
Cons
Battery life, but this will be with any watch in that type
Watch band, I didn’t like it so I bought a different one. It wasn’t terribly comfortable for me because lift as I may, my ankles and wrists remain on the dainty side, and I like my watches glued to my wrist
maps aren’t as good as something lik a garmin or some other color tops maps
the app sucks. I never use it
ive noticed time drift between it and my iPhone and iPad and computer. About 4 minutes worth in my last 5 month deployment. Neither my iPhone, iPad, computer or watch were set to gps, so it made me curious.
pros
everything else. I use the countdown timer daily. I use the step tracker out of curiosity. Sunrise and sunset tracker all the time. Moon phase cycle a lot (astrophotography). And it was cheap. At barely over $200 it was a lot cheaper than my last Suunto years ago.