The dial surround features a graduated scale serving to measure the pulse rate per minute. All the user needs to do is activate the chronograph seconds hand, stop it after 30 heart-beats and then read off the figure on the scale to which the hand is pointing.
Water-resistance to 1000 metres, Master Compressor Diving Chronograph
Patented push-pieces, Master Compressor Diving Chronograph
Focus
Pulsometer, Master Compressor Diving Chronograph
Forgotten your password?