William R.
I have a couple of the watches. The newest-ZE X just came recently. I also have the ZE Active. There is very little difference between the two. Both get excellent battery time (several days), both offer the main uses-heart, sleep, phone. etc. The biggest difference I can see now is the number of faces offered. The Active has numerous faces one can load, the X only has a few at the moment. This seems trivial but I do like the ability to change. It is almost like getting a new watch weekly- not re...






