The story of this Jaeger-LeCoultre atmospheric clock
This atmospheric clock, also known as the Atmos, is one of the most emblematic creations of the Swiss manufacture. Designed at the end of the 1920s and developed by Jaeger-LeCoultre from the 1930s onward, it’s based on a unique principle in horology: operating without manual winding or any external power source. A true demonstration of technical expertise, the Atmos has become an absolute reference in the world of luxury clocks, appreciated as much for its innovation as for its timeless elegance.
Case, mechanism and display
This atmospheric clock features a clean, readable white dial, enhanced by Roman numerals and blackened hands, offering a classic and well-balanced aesthetic. Its operation relies on a gas contained within a flexible membrane: when the ambient temperature rises, the gas expands and compresses a spring that drives the clock. Conversely, when the temperature drops, the gas contracts, allowing the mechanism to continue running. This system harnesses natural daily temperature variations to ensure the clock’s operation. The dimensions of 23 cm x 13 cm x 18 cm provide an elegant and perfectly proportioned presence.
Why this clock
This clock stands out for its near-perpetual operating principle, capturing energy from its environment without human intervention. It combines exceptional mechanical ingenuity with a timeless design, making it both a fascinating horological object and a refined decorative piece. It’s an ideal piece for fine watchmaking enthusiasts wishing to own a unique, technical and silent creation.
Included contents and condition
This clock is delivered with its original Jaeger-LeCoultre box and outer box, a feature appreciated by collectors and enthusiasts of complete pieces. Our watchmakers perform inspection, adjustments and validation according to The Swiss Collector protocol prior to sale.
Warranty and delivery
This model benefits from a 1-year The Swiss Collector warranty. Each luxury watch from The Swiss Collector is authenticated, tested and verified. Fast and secure international delivery, with the option of free in-store pickup at our locations in Switzerland.
*Very good condition – Clock carefully preserved. Minor signs of external wear. Dial and structure in excellent overall condition.
