Shop Our Jaeger - LeCoultre Collection

The emblematic Atmos clock from Jaeger LeCoultre is another testament to mankind's ingenuity as it is the only mechanism invented that has ever come close to theory of perpetual motion. It requires no electricity, no winding, and no batteries. The Atmos is powered by a hermetically sealed capsule containing a mixture of gases which dilates when the temperature rises and contracts when it drops. The Atmos is also considered the most energy efficient device ever produced as a single degree in temperature variation is enough to give the clock a 2-day power reserve. The Atmos clocks are heirlooms handed down from one generation to the next, representing the the wonders of ingenuity and craftsmanship as it continues to provide service and prestige over the years. Owning an Atmos is not only a symbol of affluence, but it also represents exquisite taste that will not settle for anything but the best in the world.