Dedicated personal trainers are awesome people, but they can't help us track our fitness activities all the time. Thanks to the water resistant fitness trackers , you can now track your fitness activities, progress, and activities on the spot. A watch designed to track activity, even under water, is a great device. Fitness watches eliminate the cost of dedicated personal trainers from your monthly bills. In fact, once you buy them, you will never have to worry about paying a dime to a nutrition expert to help you track your fitness progress.