To use the Pulsometer, simply start the chronograph and count the beats corresponding to the calibrated number. Then, you can look at the position of the seconds hand on the outer scale. Here, you can determine the heart rate in beats per minute without having to perform any multiplication.

How do you use a doctors watch?

It's quite simple: after finding the pulse, likely on the inside of a patient's wrist, wait for the second hand to pass one of three “Start” fields on the dial. From here, simply count the first fifteen heartbeats and then stop, look at the dial, and note where the second hand has fallen on the pulsation scale.

How do you use a 24 hour bezel?

The bezel is also often in two colors, roughly designating day and night. To use this bezel, set the hour marker on the bezel opposite the 24-hour hand for the time zone you want to track. It's that easy. Just remember that a 24-hour hand only goes around once a day.