Finally, one device that provides all he needs for a precisely recorded workout. The Garmin Forerunner 645 is a GPS watch, heart-rate monitor, and music player all in one. Dad will be able to track runs, rides, swims, and even gym workouts with a push of the button. Post-fitness sesh, the electronic face blends in at the office, but the features keep going. Listen to music around town, buy coffee with Garmin pay, and earn steps all day.