Lecoultre atmos clock dating

lecoultre atmos clock dating

How do I Date my LeCoultre Atmos clock?

Using the PDF file above you will see some of the Atmos clocks listed by serial # that Ive worked on and you can extrapolate the date of your Atmos from those listed. LeCoultre went into full production around May of 1939. The above dates and serial numbers will give you a reliable way to date any Atmos.

What makes Atmos clocks timeless?

The subtle union between the classic and the modern is the secret to the Atmos collection’s timelessness. Its unique design allows the observer to see the complexity of its machinery from all angles. It is a tribute to the very first Atmos clock and its avant-garde nature.

When did the LeCoultre Atmos go into production?

LeCoultre went into full production around May of 1939. The above dates and serial numbers will give you a reliable way to date any Atmos. Please realize that this is not an exact list because LeCoultre did keep some serial numbers for certain calibers and they tend to jump, so there is some overlap but the above is about 98% correct.

How are Atmos clocks graded?

Most Atmos clocks are graded by using the following guidelines: Fair Condition - The clock runs, but does not keep accurate time and/or the Case may be badly tarnished and/or possibly pitting or cracks in the metal.

How do I Set my Atmos clock?

Once started, the clock should not be moved: cleaning the cabinet or the base should be carried out without handling or moving the clock. To set your Atmos clock to the right time (including the summer/winter time change), move the minute hand forward with one finger. Never turn the minute hand anti-clockwise and never touch the hour hand.

How long does it take to repair an Atmos clock?

The typical time required for the repair of an Atmos Clock is (approximately) 8 to 10 weeks. This length of time is required due to speed adjustments that must be performed, once an Atmos has been repaired.

How can I tell when my Atmos was made?

After the serial number is the date that was found on the bellows. The bellows were made in batches, so there is some duplication but more than enough information to date your specific Atmos to within a month or so.

When did the LeCoultre Atmos go into production?

LeCoultre went into full production around May of 1939. The above dates and serial numbers will give you a reliable way to date any Atmos. Please realize that this is not an exact list because LeCoultre did keep some serial numbers for certain calibers and they tend to jump, so there is some overlap but the above is about 98% correct.

What is a Atmos clock?

Atmos clock. 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.

What services does atmosclocks offer?

Our services also include, gold, bronze, brass and silver restoration, including dial and case refinishing. AtmosClocks.com - Atmos Clock Dating Dating Your Atmos Clock

Why choose the Atmos collection?

Thus, the mechanism winds naturally, without any human intervention. The subtle union between the classic and the modern is the secret to the Atmos collection’s timelessness. Its unique design allows the observer to see the complexity of its machinery from all angles. It is a tribute to the very first Atmos clock and its avant-garde nature.

What is the temperature variation of the Atmos?

A temperature variation of only one degree in the range between 15 °C (59 °F) and 30 °C (86 °F), 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.

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