Echapament…
the mechanism that transmits energy from the spring to the oscillation system of a clock, by small pulses, and which prevents the uncontrolled rotation of the mechanism. At a usual frequency of 28,000 alternations per hour, and advances the gear system 691200 times a day. In four years, it corresponds to over one billion impulses, surpassing 6 times the total performance of the human heart. Many types of exhaust have been used in the long history of watches, the most widely used today being the Swiss anchor exhaust.
