New sale of the day at Amazon – on the Garmin Forerunner 405CX GPS Sport Watch with Heart Rate Monitor. Great value for a watch that collects data as you train. This Garmin Sport Watch will track your total distance, pace, heart rate, etc and will send this data wirelessly to your PC for you to analyze later. Fits most sizes as there is a wrist band option for smaller wrists. The Garmin 405CX also has a heart rate based calorie computation feature.