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Explanation of how automatic watches work

Posted by ilan srulovicz on

Have you ever wondered how a watch can wind itself? The origin of the automatic watch dates back to the late 1700’s. Here is a quick explanation of how automatic watches work internally.

An automatic watch has a mechanism that winds the mainspring. The watch has a rotor that turns on a pivot. The movement of the owner’s arm causes pivoting of the rotor on its staff. A winding mechanism is a result of the attached staff on the attached ratchet.

The motion of the arm translates into a circular motion of the rotor. Through reducing gears and a series of a reverser, the mainspring is eventually wound. There are numerous varied designs for up to date self-winding mechanisms.

A few designs permit winding of the clock to happen as the rotor swings in the same direction while a different advanced mechanism consists of two ratchets that wind the mainspring during both clockwise and counterclockwise rotor motions.

The typical watch with a fully wound mainspring can store sufficient energy for up to two days. The watch can then run effectively throughout the night in a stationary state. In many cases, automatic clocks can be wound manually as well by simply turning the crown. Thus, the watch can keep running without being worn.

At Égard Watches we use detailed technical specifications and the finest materials to build our timepieces. Be sure to check out our line of luxury watches today.


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