Vintage Atmos Jaeger Le Coultre Mantle Clock, Mid 20th C

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Vintage Atmos Jaeger Le Coultre Mantle Clock, Mid 20th C

About the Item

This is a very elegant Vintage Atmos perpetual mantle clock by Jaeger-LeCoultre, with a jewelled movement bearing their ref No. 138326 and dating from the mid 20th Century. The clock is displayed in a polished gilt rectangular brass case with a front door that opens to allow access to the movement. The clock self-winds and keeps time on temperature and environmental changes, perpetually spinning the pendulum hence the name 'Atmos'. The clock has a circular Arabic signed dial with open centre revealing the jewelled movement, sword hands and milled balance. The 4.25ins diameter white finish chapter ring has raised Arabic numerals at three, six, nine and twelve, interspersed by numeral batons, The Empire style has been glamorously revived by Jaeger Le Coultre in this delightful and rare Atmos clock. It is a delightful clock which never needs winding. Condition: In excellent condition and in working order, keeps perfect time.. As an antique item, the pieces show minor signs of use commensurate with age, these minor condition issues are mentioned for accuracy and, as seen in the accompanying photographs, the clock display beautifully. Dimensions in cm: height 22 x width 18 x depth 13.5 Dimensions in inches: height 9 inches x width 7 inches x depth 5 inches Atmos clock - invented in 1928 by Jean-Léon Reutter, and then perfected and manufactured by Jaeger-LeCoultre. It is a clock which does not need to be wound manually. It gets the energy it needs to run from temperature and atmospheric pressure changes in the environment, and can run for years without human intervention. Its power source is an internal hermetically sealed capsule containing a mixture of gaseous and liquid ethyl chloride, which expands into an expansion chamber as the temperature rises, compressing a spiral spring; with a fall in temperature the gas condenses and the spring slackens. This motion constantly winds the mainspring. A temperature variation of only one degree in the range between 15 and 30 degrees Celsius, or a pressure variation of 3 mmHg, is sufficient for two days' operation. In order to run the clock on this small amount of energy, everything inside the Atmos has to work in as friction-free a manner as possible. For timekeeping it uses a torsion pendulum, which consumes less energy than an ordinary pendulum. The torsion pendulum executes only two torsional oscillations per minute, which is 1/30th the rate of the pendulum in a grandfather clock. Jaeger-LeCoultre is a luxury swiss watch and clock manufacture based in Le Sentier, Switzerland, that dates back to the first half of the nineteenth century, founded by Antoine LeCoultre in 1833. In 1833, following his invention of a machine to cut watch pinions from steel Antoine LeCoultre (1803-1881) founded a small watchmaking workshop in Le Sentier, where he honed his horological skills to create high-quality timepieces. In 1844, he invented the world's most precise measuring instrument at the time, the Millionomètre and in 1847 he created a keyless system to rewind and set watches. Four years later, he was awarded a gold medal for his work on timepiece precision and Mechanization at the first Universal Exhibition in London. In 1866, at a time when watchmaking skills were divided up among hundreds of small workshops Antoine and his son, Elie LeCoultre (1842-1917), established the Vallée de Joux’s first full-fledged manufacture, LeCoultre & Cie., pooling their employees’ expertise under one roof. Under this set-up, they developed in 1870 the first partially mechanised production processes for complicated movements. By the same year, the Manufacture employed 500 people and was known as the “Grande Maison of the Vallée de Joux”, and by 1900, it had created over 350 different calibres, of which 128 were equipped with chronograph functions and 99 with repeater mechanisms. From 1902 and for the next 30 years, LeCoultre & Cie. produced most of the movement blanks for Patek Philippe of Geneva. The brand has hundreds of inventions and over a thousand calibres to its name, including the world’s smallest calibre, one of the world’s most complicated wristwatches and a timepiece of near-perpetual movement. Since Jaeger-LeCoultre’s founding, the company has produced over 1,242 different calibres, registered approximately 400 patents and created hundreds of inventions The company has been a fully owned subsidiary of the Swiss luxury group Richemont since 2000.

Creator:
Jaeger-LeCoultre (Maker)
Dimensions:
Height: 8.67 in (22 cm)Width: 7.09 in (18 cm)Depth: 5.32 in (13.5 cm)
Materials and Techniques:
Brass,Gilt
Period:
1950-1959
Date of Manufacture:
circa 1950
Condition:
Seller Location:
London, GB
Reference Number:
Seller: A2540a1stDibs: LU950627794432

Shop All Jaeger-LeCoultre

Jaeger-LeCoultre

The exquisite art of watchmaking is on display in the distinctive designs of Jaeger-LeCoultre. The Swiss manufacturer is celebrated for its striking Art Deco–era antique clocks, while its range of sumptuous luxury watches spans the gamut of modern design, each one a time capsule of its period.

Jaeger-LeCoultre was established in 1833 by watchmaker Antoine LeCoultre in the Vallée de Joux of the Swiss mountains. LeCoultre was also an inventor who, in 1844, created the millionomètre. As the first instrument to measure thousandths of a millimeter with total accuracy, it refined the meticulous watchmaking process. By 1866, LeCoultre's son, Elie LeCoultre, took over the business. He revolutionized watchmaking by bringing all 180 skills involved in the trade into one workshop: LeCoultre & Cie Manufacture.

By 1903, the company had passed to Antoine LeCoultre's grandson, Jacques-David LeCoultre. He created a signature line of ultra-thin watches in partnership with Edmond Jaeger, a French watchmaker who specialized in flat watch cases. In 1907, Louis Cartier signed a contract with Jaeger so that Cartier would have movements for its popular timepieces produced exclusively at LeCoultre in Switzerland. This era saw the debut of Cartier’s Santos as well as its Tank watch.

Watchmakers at Jaeger-LeCoultre began to experiment with the Art Deco style that had encompassed the 1920s and the 1930s. At the time, there were many influences that led to the creation of Art Deco jewelry, while the cases of Art Deco clocks featured architectural details and saw an integration of materials such as brass, glass and marble. Iconic Jaeger-LeCoultre designs from this era include the 1928 Atmos clock and the Reverso watch. Stylish and practical, the coveted Reverso watch features a case that you can flip to protect the watch face.

During the 1950s and '60s, Jaeger-LeCoultre watchmakers continued the manufacturer’s tradition of prioritizing practical reliability. In 1958, the company introduced the robust and durable Geophysic watch collection. The Memovox Polaris, an alarm-equipped dive watch one could wear underwater, followed in 1968.

The best-known timepiece in the company's modern collection is the Master Control watch, unveiled in 1992. It symbolizes a return to the thin style and performance-first ethic of classic Jaeger-LeCoultre. In 2018, the watchmaker also launched the Polaris collection. Inspired by the original Memovox, the series features a sporty, elegant and contemporary look.

Find vintage Jaeger-LeCoultre wristwatches and pocket watches on 1stDibs.