Jaeger Lecoultre Atmos Clock Serial Numbers

A Jaeger Le Coultre Atmos clock, the. Height 23 cm clock with 13 jewel movement and calibre 590, serial number 680805, circa 1998. Sold by in for You can display prices in $Au, $US, $NZ or Stg. The LeCoultre Atmos clock designers didn’t always make finding the serial number an easy endeavor. The Atmos clock’s bellows may have the date stamped on them. The bellows need to be carefully handled. A professional may be the best bet for locating the serial number if it is difficult to find. A 20th century Atmos Mantle clock by Le Coultre, serial #179552. 15 jewel perpetual movement. Calibre 528-6, by “Le Coultre et Cie, Swiss”. Brass case with glass panels and painted metal dial with Gold.

Atmos Clock Gallery

There have been many models and 'styles' of Atmos Clocks produced by Jaeger-LeCoultre since the late 1930's; however at this time there is no known Atmos Clock reference book that lists all Atmos models and their respective serial numbers.

On this page, you will find photos of the most common models of Atmos Clocks - such as those with Gold Plated Brass cases and glass sides; you'll also find photos of some very unique and rare models, including those with Wood or Marble Cases, Oriental Motif Atmos Clocks and some very rare and different Atmos clocks.

Jaeger lecoultre clocks serial numbers

The first set of photos below include all main 'Calibers' of Atmos Clocks, those being:
Caliber # 1 (original Reutter Atmos), Atmos II, 519, 522, 526, 528-6, 528-8 and Caliber 540, respectively.

Jaeger Lecoultre Atmos Clock

A 'Caliber Number' - such as Caliber 528, 540, etc, are numbers that we use to determine the movement *type* of an Atmos and not necessarily the style of the case.

The Serial Number of an Atmos Clock is usually located on the top of the Movement, by the Speed Adjustment Lever. On some very older models, the serial number may actually be on the front of the Movement -near the hands and on Antique Reutter Clocks the serial number is often on the Back 'Drum' portion.

If you're trying to determine the Model/Caliber number of your Atmos, the first set of photos below should be of help:

Original Atmos I
Mercury Bellows Model
Atmos Caliber 519
Atmos Caliber 526
Atmos Caliber 528-8

Aside from the different Cases and Dials, the Pendulum on an Atmos Clock can also be different from one model to the next.

For Example:
The Pendulum of an 'Atmos Caliber II' has straights, black lines (see photo), the Pendulum of a Caliber 519 has round 'dimples', the Caliber 526 has wide vertical indentations and the Caliber 528 has thin vertical indentations.

Click picture for enlargement
Note that the Pendulum of an Atmos 540 (newer models) may have either thin vertical indentations or round dimples, depnding on the model.
Lecoultre atmos clock value

Ok, so what exactly are these things supposed to cost?

Many people ask me to give a value to their Atmos clock. This is not an easy task. Many companies gave Atmos clocks to people upon retirement or as general thanks for long service and people also of course acquired Atmos clocks through various other means. Thus, many people are finding Atmos clocks in various conditions among the things of their parents or at estate sales, etc., and wonder what they are worth. I am providing this list not as a definitive explanation of the value of every single Atmos clock ever made, but instead, to provide some guidelines for people to expect realistic amounts and to understand that while there are some Atmos clocks which are very rare, many were made on a mass production basis and are thus very nice, but certainly not 'priceless'.

Further, anyone finding an old Atmos clock must recall that the Atmos should be serviced every 20 years. Thus, any clock you may just 'find' is likely unserviced and perhaps even non-functional. There is a great difference between the value of a working clock and a non-working one. Thus to maximize the value of any clock, it is wise to first get it up and running. Fortunately, several very competent individuals exist that do this kind of work, for example:

Andre Walliman of Antique Clock Repair at (703) 318-6292


Mike Murray of Mike's Clock Clinic at (310) 828-6707

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Jaeger Lecoultre Atmos Clock Serial Numbers

Jaeger Lecoultre Atmos Clock Serial Numbers

Jaeger Lecoultre Atmos Clock Serial Numbers

In general, if you have an Atmos clock with a serial number lower than 10,000 or most particularly lower than 5,000, you likely have a very early 'mercury' type Atmos clock. These vary in value depending upon condition, etc., but may be worth anywhere from $2,000-$40,000.

Atmos clocks with serial numbers between 10,000 and 25,000 are mainly from the earliest production runs. These are special clocks to be sure, but were made with mass production thus are typically worth about $1,500.

Atmos clocks with serial numbers between 25,000 and 300,000 were made in the 1950's and 1960's. This is most of what you find floating around. Just in general condition, perhaps running, these are the ones you often see selling used for about $800-$1,000. The only serious problem in purchasing one of these 'typical' used Atmos clocks, is that very often their condition is poor and getting the clock fixed including the high cost of parts that may need to be replaced can perhaps cost up to the price you paid for the clock itself, not a very good bargain.

Atmos clocks with serial numbers between 300,000 and 550,000 are the 1970's, not much unlike the 1950's and 1960's models, with some cute variations like plastic cases with designs, unusual faces, hands, etc. Their value is similar to the others from this type and have the same caveats with regard to repairs. Ones that are unique are worth typically $1,500.

In the early 1980's the Atmos clock mechanism was radically changed. Some regard this as a very positive step, others consider the older Atmos clocks to be better made. Typically an Atmos clock with a serial number over 600,000 is of the new type, also called the 540. These are the Atmos clocks you will find today as new clocks. There are various kinds. The basic one is called the Elysee which is worth $3,000 new. Others include the China at $13,700, the Vendome at $5,600, the Fontainebleau at $4,000, the Royale at $7,100, the Beaubourg at $3,900, the Opera at $5,250, the Atlantis at $5,950 and the Marqueterie at $59,900. Then there is the most expensive production Atmos of all, the Joaillerie Blue Quartz at $169,000.

I have sold many Atmos clocks to people, both new and used, and I can honestly say that in my experience with someone new to Atmos clocks, purchasing a new clock is a very good idea. They come with a three year world-wide warranty and of course are perfectly mint new with all the manuals, boxes, etc., that one would expect. Used clocks seem a good deal since they are often available pretty cheaply, but unless they have been overhauled and repaired, the deal may not be as good as it first appears.

Lecoultre Atmos Clock

Sure hope this helps everyone and I am always here to answer questions about Atmos clocks!

Jaeger Lecoultre Atmos Clock Serial Numbers 627040 540 Number


Adam Michael Sacks, Esq.
Email: [email protected]
1-(310) 388-3077

Jaeger Lecoultre Clocks Serial Numbers