Christopher Ward expands its signature integrated sports watch line again with the Twelve 660, an ultra-thin, dressier version of the watch.

The battle for supremacy in this market is fierce. The likes of Garmin, Fitbit, and Coros are constantly beating each other ...

The best sports watches do adjust your max heart rate and zones automatically using data from workouts over time, but it’s still not always reliable.

The best sports watches do adjust your max heart rate and zones automatically using data from workouts over time, but it’s still not always reliable.