| http://www.w3.org/ns/prov#value | - y cardiovascular exercise. your heart is a muscle and can be made stronger through exercise-and when training, it???s important to have an idea of your ideal heart rate zone. this watch also includes a chronograph, daily alarm, heart rate statistics (current, average, minimum, and maximum heart rates)-plus a wealth of other features including marathon training mode. it???s also equipped with a ped
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