Oct 12, 2008  Atmos Clock Identification. Discussion in '400-Day & Atmos' started. When both the Atmos III and Atmos IV were supplanted by the Atmos V. The lowest serial number Atmos IV in my data is 60764, highest is 69374. The Marc Newson Atmos ( named after the designer) made to mark the 175 annivesary of Jaeger LeCoultre’s founding as well as. LeCoultre Atmos clock serial numbers and production dates.

Today I've obtained something various for you. A several months back again, I bought a Jaeger-LeCouItre Atmos clock. lf you arén't familiar with it, the clock runs on changes in heat. No bodily winding is usually needed.

Simply put it down and it continuously wind gusts itself.These classic clocks have got always fascinated me, both ás a showpiece ánd as an anatomist wonder. In nowadays's video clip, I'll critique how it works, View and Learn design, with very clear and brief details.

I hope you appreciate it.Check out out our Wébsite:More on whát is definitely the Atmos clock:Thank you for viewing.

In 1928 a Neuchatel engineer known as Jean-Leon Reutter built a clock driven quite literally by air flow. But it required the Jaeger-LeCoultre course a several more yrs to transform this idea into a specialized form that could be trademarked. And to best it to like a degree that the Atmos virtually achieved everlasting movement.

In 1936 creation of the Atmos started.(Rhydium-Plated)Click to enhance above.The specialized principle is a beguiling oné: inside a hermeticaIly covered capsule will be a mixture of gas and liquid (ethyl chloride) which expands as the heat goes up and agreements as it falls, producing the tablet shift like a concertina. This motion constantly wind gusts the mainspring, a variance in temperatures of just one level in the variety between 15 and 30 degrees centigrade becoming adequate for two days' procedure.To convert this little quantity of energy into movement, everything inside the Atmos normally provides to function as effortlessly and quietly as possible. The balance, for illustration, executes only two torsional oscillations per moment, which is definitely 150 occasions slow that the penduIum in a regular clock.

Therefore it's not unexpected that 60 million Atmos clocks jointly consume no even more power that one 15-watt light bulb.All its some other parts, too, are not really just of the highest accuracy, but also virtually wear-frée. An Atmos cán therefore expect to appreciate a provider lifetime of a good 600 years, although with nowadays's atmosphere pollution a through cleaning up is suggested about every twenty years.Fans of superior technology, nevertheless, aren't the just types who obtain their cash's worthy of. Connoisseurs of sophisticated forms, precious components and traditional craftsmanship, do so mainly because nicely.

Because every Atmos is usually still made entirely by hand; and with some versions a solitary clock requires a entire 30 days to generate. Not counting the five days of demo and adjustment that every Atmos has to go through.Only after that, were the Jaeger-LeCoultre professional watchmakers content more than enough with the state of points to verify it with a trademark and permit another Atmos to keep the course. After which, several finish up in the extremely best homes, because for decades right now the globe's most known watch-making nation has ended up offering its recognized guests with this masterpiece of Swiss artistry.The Atmos provides experienced the honour to end up being associated with excellent statesmen, royalty, and various other renowned people including John Y. Kennedy, Sir Winston Churchill, General Charles DeGaulle, ánd Charlie Chaplin.Thé above details arrives from LeCoultre brochures and paperwork.

The sticking with is primarily from Residing on Air - History of the Atmós Clock by Jéan Lebet.Jean-Léon Reutter, in Portugal, created the Atmos CIock in 1927 and this is certainly referred as well as the Atmós 0. These prototypes had been never marketed and never known as the Atmos 0 at that time.His clocks had been powered by a 'mercury in glass' growth gadget which rotated a cylinder which wound the máinspring by ratchet. Thé mechanism operates on heat change just. The clocks are slightly different to the later Atmos models in minor details of escapement.On Summer 01, 1929, Compagnie generale de radio (CGR) created a department dedicated to the manufacture and sales of the Atmós clock. Jean-Léon Reutter was fitted to control that division. It is usually unsure how many were made and offered but they are known to these as Atmos I's. Two French patents were granted for the Atmós 0 (624.595) and for the Atmos I (664.689) but that organization never created the Atmos 0.

They are usually very nicely produced and usually they possess a dish saying 'Reutter Brevet' (Brévet = Patent).In Sept 1932 LeCoultre entered an agreement to develop movements for CGR and very first deliveries were produced in middle 1933 and these movements were known as the 30' A calibre. Annual manufacturing of these motions was between one ánd two thousand fór decades 1933 and 1934.On July 27, 1935, CGR decided to exchange all manufacturing to LeCoultre and all remaining stock and function in process. LeCoultre carried on to market the Atmos l while it had been developing the Atmos lI, which the major improvement was the modification from an ammónia and mercury 'beIlows' to a container packed with ethyl chloride.By Jan 15, 1936, LeCoultre introduced its 'fresh' Atmos and they had been still using the 30' A calibre movement. These 'new' Atmos' were later known as Atmos II'h. By November of 1936 the Atmos I creation was halted completely. Problems arose and 'complete' manufacturing of the Atmos II do not start until mid 1939.The following model has been the Atmos III, which included the 519 caliber and 529 quality and reliability.

Serial number's for thé Atmos II ánd Atmos III are fairly intertwined because of LeCoultre purchasing the entire stock of CGR.There is usually evidence of overIapping in all LeCouItre models; there are no 'absolutes' óf serial numbers ánd quality and reliability numbers. The Atmos II and the Atmos III have got serial numbers ranging from close to 4,000 to 59,999 and production proceeded to go from 1936 until late 1955.The Atmos IV integrated calibers 522 and 532 and have got serial numbers fróm 60,000 to 69,999.

The essential point to know here can be that this will be LeCoultre's shortest full production run ever.The Atmos Sixth is v are made up of the quality 526 and the Atmos VI, VII, and VIII consists of the quality and reliability 528 and the 528/1 signifies the Atmos VIII. Serial variety from 70,000 to 599,999. The important point here will be that this is usually the final of the 'real' Reutter design Atmos produced and manufacturing stopped past due in 1983.In past due 1983, LeCoultre totally resigned the Atmos and emerged up with the 540 caliber. They also ended the exercise of marking the versions numerically (Atmos 0 - Atmos VIII). These serial numbers begin with 600,000 and is definitely still becoming made today under various caliber numbers and design names. World-wide manufacturer for Atmos cIock andJaeger-LeCoultre watchés:Jaeger-LeCouItre SA980 Brooke RoadP.

Gigabyte, from the photograph published and the serial number, it seems you have one of the final calibre 519 models made, best at the finish of 1954. These were known as the Atmos III and were made from Summer 1950 to December 1954. They perform not possess a design quantity or calibre quantity stamped anyplace on them. It has been just with the Atmos 4 that the practice of stamping the calibre quantity was began, that one like calibres 522, 526-5, and 532.If you could article a closeup picture of the front of the movement, and furthermore a picture of the best of the cIock with the cover off I will become able to confirm this details for certain.John Husband. GB and all, here are usually some of the characteristics of a CaIibre 519 Atmos III clock:. The pendulum design is distinctive, with 10 round indents around the perimeter of the disc. This is usually called model 'C' in Jean Lebet's 'Living on Air flow', pg 51.

This was used just on Atmos lII clocks, from June 1950 through Dec 1954. The time adjusting lever is unique, getting quite short and just showing in front of the changing scale on the top connection of the motion. The Atmos IV and later models use an adjusting lever that is usually almost 5/8 inches longer. The dial designs are usually almost specifically the type with the '3' and '9' putting on their aspect rather of upright.

I contact this the 'moving quarters' design. Take note there are usually some with thé '3' and '9' placed upright, by my data it shows up in the order of maybe 3.5% (7 in 200). The Atmos IV utilized a switch of batons (no numbers), after that the Atmos Sixth is v came back to the exact same style as the Atmós III until abóut 1957 when they started to create just the upright quarters kind switch. The inscription on the movements are different from earlier or afterwards Atmos versions. Almost all are usually inscribed 'LeCoultreCo Switzerland VXN Fifteen 15 Gems' in round form around the motion middle with the word 'ATMOS' inscribed below the jewel connection for the very first wheel. None of them possess a serial number as did the Atmos II versions making use of the calibre 30'A movement, and a few are completely plain with no markings at all.

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No design quantity or calibre number is discovered anyplace on the situation. Those marks began with the Atmos IV.

The serial amount placed on the suspension system/rating link at the best of the motion body will end up being between 25,000 and 71,000.NOTE: The Atmos 4 was presented about Drive 1954 and production was co-mingled with the final Atmos III models right to the finish of 1954, when both the Atmos III and Atmos IV had been supplanted by the Atmos V. The lowest serial number Atmos 4 in my data is definitely 60764, highest is 69374.The above characteristics are distinctive to the Atmos III versions. There are other technical details mainly because nicely but I've not shown those since théy aren't visible on a informal basis.Please suggest any questions.John Hubby. GB and all, right here are usually some of the features of a CaIibre 519 Atmos III clock:. The pendulum design is distinctive, with 10 round indents around the edge of the disk.

This can be called design 'W' in Jean Lebet's 'Residing on Air flow', pg 51. This was used only on Atmos lII clocks, from August 1950 through December 1954. The period modifying lever is definitely unique, getting quite brief and simply displaying in front of the modifying range on the top connection of the motion. The Atmos 4 and afterwards models use an adjusting lever that can be nearly 5/8 inch longer. The switch designs are usually almost exclusively the type with the '3' and '9' sleeping on their aspect rather of upright.

I call this the 'moving quarters' style. Note there are some with thé '3' and '9' positioned upright, by my data it shows up in the order of probably 3.5% (7 in 200).

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The Atmos 4 utilized a switch of batons (no numbers), after that the Atmos V came back to the same style as the Atmós III until abóut 1957 when they began to create only the upright quarters kind dial. The wording on the movements are different from previous or later on Atmos versions.

Almost all are inscribed 'LeCoultreCo Switzerland VXN Fifteen 15 Jewels' in circular form around the movement middle with the phrase 'ATMOS' inscribed below the treasure bridge for the first wheel. None of them have a serial number as did the Atmos II versions using the calibre 30'A movement, and a several are totally ordinary with no marks at all. No design number or calibre quantity is discovered anywhere on the case. Those markings began with the Atmos IV.

The serial amount rubber-stamped on the suspension system/rating bridge at the top of the motion frame will end up being between 25,000 and 71,000.NOTE: The Atmos IV was introduced about Drive 1954 and production had been co-mingled with the final Atmos III models ideal to the finish of 1954, when both the Atmos III and Atmos 4 had been supplanted by the Atmos Sixth is v. The minimum serial number Atmos IV in my information is usually 60764, highest is 69374.The above features are distinctive to the Atmos III versions. There are usually other technical details mainly because nicely but I've not really outlined those since théy aren't noticeable on a informal basis.Make sure you suggest any queries.John Husband. Click to expand.Hi John,In add-on to the over charateristics detailed I would including to include another that can become utilized to visually identify a calibre 519 motion and this relates to the size of the movement dish.The calibre 519 motion plate actions 50mm broad.

The Atmos Caibre 522 also has equivalent movement size. When see from the top a small arc of the very first wheel can be observed on the perfect, furthermore this movement plate is certainly much wider than the intermediate plate discovered in entrance of it.