The Garmin Forerunner 25 smartwatch is a great companion for persons interested in light workouts. It tracks pace, heart rate, calories burned, time, and distance traveled. It is relatively cheap, reliable, accurate, syncs well with compatible devices, and has an 8-hour battery life.
Pros
Accurate
Heart rate, calories burned, pace, distance, etc.
Reliable
Cons
Battery life span is relatively low