New Sportline Men's Solo 915 Heart Rate Monitor Watch! Great for general fitness and weight loss management. Monitor your hear rate to accelerate calorie burn. The 915 is the first of the Solo series to incorporate ANY-TOUCH technology. Touch anywhere on the stainless steel case and see your heart-rate instantly. The Solo Series does not require a chest belt, allowing you to measure your heart rate on the go. A single touch delivers ECG accurate heart-rate measurements in seconds.