Fitbit 'Alta' Wireless Fitness Tracker

$80

Garmin Forerunner 35

$169

Casio Men's G-SHOCK - The GA 100-1A1 Military Series Watch

$66

CakCity Men's Digital Sports Watch

$13

Fitbit Charge 2 Heart Rate + Fitness Wristband

$130

Casio Men's Classic W800H-1AV Sport Watch with Black Resin Band

$12

Timex Full-Size Ironman Classic 30 Watch

$36

Suunto Ambit3 Peak HR Running GPS Unit

$285

Timex Men's Expedition Classic Digital Chrono Alarm Timer Full-Size Watch

$33

Polar M430 GPS Running Watch

$195