Coros Watch Pace 2 Premium GPS Sport Blue Steel WPACE2-BLS. Did you ever think there was more to a GPS watch than being really, really, ridiculously good looking?? From just 29g with the COROS nylon band, COROS PACE 2 is the lightest GPS watch in the world at its launch. Don’t let yourself get weighed down by more than you need, with the COROS PACE 2 you will be ready for your new personal best, be it in a race or in the weight room.