I exhaustively tested this watch. I used it at the same time that I used my Garmin Vivoactive, during full marathons, half marathons and hiking. I thought I was doing an upgrade but I am disappointed and I was looking forward to write this review. My complain is about the performance of the GPS. Comparing to Vivoactive which btw it’s a Garmin product, the GPS does not perform as well as Vivoactive’s. It measures more distance. The tracks created during usage are jumpy, and curvy most of the times, while Vivoactive’s is smooth and more precise. It takes longer to acquire satellites. If you take a break while hiking, the GPS will create a spaghetti of a track in the spot you are resting, and this excessive track will add to your distance, making a mess of your average and speed statistics. No bueno. The other functions are quite impressive nonetheless. I don’t understand how the GPS is a step back. Is it due to other manufacturers? Or the case? Maybe the design? Only Garmin knows, but yet, their solution is right in front of them. I have no choice but to trust more my Vivoactive during my runs. And I stopped using the Russian network because did not help a bit. Just look at the pictures. The smooth tracks are Vivoactive, the messy ones are Fenix.
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