Accurate Onboard GPS

Pace and distance mean nothing if the track wanders through the neighbors' yards.

Wide Range of Sport Modes

Swimming, cycling, and lifting each need their own metrics, not a generic timer.

Training Load Metrics

Knowing when to back off prevents the stretch where progress stalls.

Runtime With GPS Active

Satellite tracking drains a watch fast, which decides how long a session runs.

Controls While Moving

Starting a lap with sweaty fingers is where a physical button beats a swipe.