A high-class clock "ATMOS (Atmos)" keeping moving semipermanently without the need for external power

Generally it is necessary to prepare the power supply and wind up the mainspring to move the watch, but a watch that can keep on moving without requiring the assistance of such a person is a watch that is made of high-grade watch manufacturer "Jaeger-LeCoultre "of"ATMOS(Atmos) "series.

The Value Proposition: The Amazing, Incredible, And Semi-Affordable, Atmos Clock From Jaeger-LeCoultre
https://www.hodinkee.com/articles/the-amazing-incredibly-affordable-atmos-clock-from-jaeger-lecoultre

Atmos is a timepiece that can be called a perpetual institution, which means that you can keep moving without going through the hand of a person. A typical Atmos looks a lot like a general clock, but a cylindrical balance wheel hanging under the surface of the board (the mechanism corresponding to the "pendulum") is one of the apparent features. In addition, the original mechanism is stored also in the part hiding on the board surface.


Looking at the device from the side is like this. On the left side is a board face with clock hands, and on the right is a large capsule device, which is an important mechanism for generating Atmos power.


The mechanism by which Atmos moves is as follows. Ethylene chloride gas is filled in the capsule to inflate or deflate the capsule under the change of ambient temperature. A short chain is attached to the surface of the capsule so that the motion of the capsule is transmitted to the gold main spring located at the lower left of the above picture so as to store the power. For this reason, Atmos is also called "Air Clock" and its name is "English" meaning "Temperature"AtmosIt is attached from "pheric Temperature".

The power stored in this way is controlled by the rotation of the balance wheel, but its movement is also very characteristic. Speaking of the pendulum type clock, the pendulum (pendulum) hanging from the top sways to the right and left, mostly one reciprocating in 1 second, but in the case of Atmos, the rotating balance wheel takes about 1 minute to left and right It is a mechanism of repeating the rotation. As a result, Atmos does not have a second hand, and it is a display of only the minute hand and the hour hand.


Atmos, which uses temperature change as a power source, can store energy for 48 hours with only 1 degree of temperature change and can be regarded as a watch with very high energy saving performance. Meanwhile, the precision as a timepiece that clocks time seems not to be so high,The page of the person who actually has AtmosAccording to the report that there is sometimes a misunderstanding of about 10 minutes in one day. To the end, it is said that it is said that attraction of Atmos owns it as a time piece for enjoying the characteristic mechanism and advanced craftsmanship techniques, beautiful decoration and design.


Besides, it is also possible to order Atmos made from this beautiful blue glass or order items that were highly decorated according to your request.


Because YouTube animation which actually observes the mechanism of Atmos is released, it may be able to understand the mechanism well.

How to Start Jaeger LeCoultre Atmos Clock - YouTube


Even in the following Japanese pages, Atmos' capsule and movement of the main spring etc. are explained in detail.

About ATMOS (Atmos) a little about just ...: TANAKA WATCH NEWS
http://blog.livedoor.jp/tanaka_watch_news/archives/3705614.html

By the way, according to the site of Jaeger-LeCoultre the price of Atmos is from Yen 80,600 in Japanese Yen.

Atmos | Jaeger-LeCoultre