 Perfect for the busy professional looking to get the most out of their exercise time What we like is you have a customize workout based on your VO2 max fitness rate and calorie burn rate, not a precalculated formula. This is a great watch when you want more feedback per workout. OwnCal™ - counts calories burned during exercise. Also provides percentage of calories burned from fat. OwnZone™ - automatically determines and guides user to safest and most effective exercise zone Exercise Reminder - three days after the last exercise, a randomly selected, gentle exercise reminder appears every full hour in the display. Classic design in dual black metallic tone 1 Storage File Exercise Date and Time HR Limits Time in Zone Avg. HR Calories and % of fat burned Total calories Total exercise time |