GPS & Tracking

Casio Pro Trek 3100

Garmin Forerunner 210 Review: Current Garmin Running Watch Alternatives

Motorola Moto 360 (1st gen.)

Garmin Fenix 5

Mio Slice

TomTom Spark Cardio

Suunto Traverse Alpha

Apple Watch Series 2

Garmin Forerunner 920xt

Under Armour UA Activity Band

Suunto Core

Epson Runsense SF-710