Meet the Forerunner 225 from Garmin: a GPS running watch with a wrist-based heart rate monitor that helps you train the right way. Its built-in heart rate monitor is based on Mio Heart Rate Technology. The watch is water resistant to 50 meters. Its battery lasts up to 4 weeks in watch mode with activity tracking. The watch has an accelerometer to track pace and distance indoors.
The watch monitors your steps, distance, calories burned, and sleep. It has a colorful gauge to show your zone and beats per minute. The Forerunner 225 watch will set you back $299.