Jaeger LeCoultre, Atmos Marina Atmos clock by JAEGER. Rare model with black and gold lacquered engraved plexiglass walls with an Asian Chinese motif. Working at the time of the test. Note: The Atmos clock embodies Jaeger-LeCoultre's mastery of perpetual motion. Perfected in 1928, its revolutionary winding mechanism is driven by the contraction and expansion of a mixture of gases. As elegant as it is timeless, the Atmos clock illustrates the exceptional skills of Jaeger-LeCoultre's craftsmen and the excellence of its Atelier des Métiers Rares. The clock is also an inexhaustible source of inspiration for generations of designers.