GPS & Tracking

Garmin vivosmart HR+

TomTom Spark 3 Cardio

TomTom Spark Cardio

Garmin D2 Charlie

Fitbit Ionic

Polar A370

Motorola Moto 360 (1st gen.)

Garmin Vivoactive HR

Apple Watch Series 2

Garmin Forerunner 55 vs 165: Budget GPS or Modern Entry Garmin?

Polar M600

Garmin Vivomove HR