This is an outstanding instrument in many ways. The fit is excellent, and quite comfortable. The band loop, unlike other “wrist computers,” stays put and keeps the end of the strap from flapping around. The battery life is exceptionally good when compared to the other wrist computers I have. The heart rate, blood pressure, and O2 saturation measurements are accurate, timely, and the data logging is outstanding. I use this watch to monitor my health over a wide range of activities. The dis...