Polar M-52 Heart Rate Monitor

Strap your exercise program to your wrist with this "fitness" watch that tells you when it's time to work out. Besides continuous heart rate, it checks average heart rate, OwnCal (calories burned) and OwnZone (customized target zone and has an alarm if you exceed limits), Exercise Reminder (no excuses now), and OwnIndex (tracks progress over time). $149.99-$269.99, depending on features and type of watch case. (800)227-1314; www.polarusa.com