GPS & Tracking

Suunto Spartan Ultra

Pebble 2 + Heart Rate

TomTom Spark 3 Cardio

Magellan Echo

Apple Watch Nike+

Suunto Elementum Terra

Samsung Gear Fit

Huawei Watch 2 Classic

Huawei Watch 2 Sports

Garmin D2 Bravo

Suunto Spartan Sport Wrist HR

Withings Activite Steel