Dating atmos clocks

Jaeger LeCoultre 'Atmos' Clocks

Dating Your Atmos Clock. Though there is no known published reference books that date or 'grade' Atmos Clocks based on age or condition, the Chart below may be helpful in determining the age of your Atmos Clock. You can also refer to our Atmos Gallery Page for help in identifying the make and model of your clock. With the exception of the original Antique "Atmos I" and "Atmos II", Mercury Reutter models the following Chart lists Atmos Clocks beginning with some of the earliest models or calibers and their respective serial numbers:. E-mail: clockman atmosclocks. All rights reserved. Dating Your Atmos Clock Though there is no known published reference books that date or 'grade' Atmos Clocks based on age or condition, the Chart below may be helpful in determining the age of your Atmos Clock. Determining the value of an Atmos Clock depends on the model, age and the over-all condition of the clock and the actual value can vary significantly depending on what the market will bare at that particular time. Atmos clocks with Oriental Motif Cases white or black plexi-glass , the Gruen wood case models or any other models with rare and unique cases will obviously be worth more then the types described above, depending on their condition.

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Atmos is the brand name of a mechanical torsion pendulum clock manufactured by Jaeger-LeCoultre in Switzerland 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. The clock is driven by a mainspring, which is wound by the expansion and contraction of liquid and gaseous ethyl chloride in an internal hermetically sealed metal bellows.

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Free no-obligation valuations Contact a Valuer Directly. Imagine having a clock that keeps perfect time but never needs winding…… the dream of the perpetual motion. This was the driving force for a number of pioneering inventors from around the turn of the 17th Century who were investigating using changes in atmospheric pressure and temperature as a power source for clocks.

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Jaeger-LeCoultre

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