2016 has been the year of the smart watch for me. I got an Apple Watch sports (~$400) and then got two GPS sports watches (more than $1k total). That’s a lot of expensive watches in the same year!
I already wrote a review of the Apple Watch and then made a complete guide of GPS sports watches. Go read them if you haven’t yet!
Let me be clear though: if sports watches help you train, you don’t need a GPS sports watch to exercise. Actually you really don’t need any expensive gear to exercise and have fun.