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Jaeger-LeCoultre Atmos Clock  Model Q5112202
Jaeger-LeCoultre
Atmos Classic Phases de Lune Clock
Model Q5112202
Retail Price: $9,600.00
Our Price: $7,680.00
Your Savings  $1,920.00 (20%)
SHIPS FREE in 7 business days.

Jaeger-LeCoultre
Atmos Classic Phases de Lune Clock
Model Q5112202

Jaeger-LeCoultre Atmos Clock Model Q5112202

Jaeger-LeCoultre
Atmos Classic Phases de Lune Clock
Model Q5112202

View Details
Retail Price
$9,600.00
Our Price
$7,680.00
Your Savings
$1,920.00 (20%)
In Stock Available SHIPS FREE in 7 business days. Order today for expected shipment on Tuesday, July 2.
In Stock
Available
SHIPS FREE in 7 business days. Order today for expected shipment on Tuesday, July 2.

Have questions?

Order by phone or get advice. Our clock experts are here to help.
Call 866-323-8463, 718-663-3970 Live Chat or email us.
Call 866-323-8463, 718-663-3970 or email us.

Have questions?

Order by phone or get advice. Our clock experts are here to help.

 

Brand Name:
Jaeger-LeCoultre
Style Number:
Q5112202
Also Called:
5112202, 511-22-02, 511 22 02, q5112202
Series:
Style (Gender):
Clock
Case Material:
Rhodium Plated Stainless Steel Transparent Case
Dial Color:
Silver/White Moonphase
Movement:
Automatic Hermetically Sealed
Engine:
Jaeger JLC562 (60 second oscillation period, 231 pieces)
Functions:
Hours, Minutes, Months, Moonphase
Case Length:
250.0 mm
Case Width:
185.0 mm
Case Thickness:
140.0 mm
Caseback:
Beige rear secured via 4 screws
Water Resistance:
NOT WATER RESISTANT
Calendar:
Perpetual Moonphase Calendar
Watch Bracelet / Strap Material:
18k White Gold
Additional Information
Incredibly accurate moonphase requires no adjustment until the year 3821.

The Atmos clock obtains the energy it needs to run from small temperature changes in the environment, and can run for years without human intervention.

Its power source is a hermetically sealed capsule containing a mixture of gas 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 variation in temperature of only one degree in the range between 15 and 30 degrees Celsius 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 1/60th the rate of the pendulum in a conventional clock.

The first clock powered by changes in atmospheric pressure and temperature was invented by Cornelis Drebbel in the early seventeenth century. Drebbel built as many as 18 of these, the two most notable being for King James I of Britain, and Rudolf II of Bohemia. The King James clock was known as the Eltham Perpetuum, and was famous throughout Europe. It is mentioned in two works of Ben Jonson.

Experimental clocks powered by atmospheric pressure and temperature changes were next made during the Enlightenment. An early example is Cox's timepiece, a clock developed in the 1760s by James Cox and John Joseph Merlin. The oldest predecessor still extant is the 1864 Beverly Clock.

The first Atmos clock was designed by Jean-Léon Reutter, an engineer in Neuchâtel, Switzerland, in 1928. This noncommercial prototype, which predated the Atmos name but is now known unofficially as Atmos 0, was driven by a mercury-in-glass expansion device. The mechanism operated on temperature changes alone.

On June 1, 1929, Compagnie Générale de Radio (CGR) in France began manufacturing the first commercial model, Atmos 1, which used a mercury and ammonia bellows power source. On July 27, 1935 Jaeger-LeCoultre took over production of Atmos 1 while it developed a second design which used the present ethyl chloride power source. This model, later named the Atmos 2, was announced January 15, 1936, but problems delayed full production until mid 1939.

Today the Atmos clock is a refined hermetically sealed luxury timepiece, that, like time itself, marches along without interruption and without human interaction.
FREE bracelet resizing.

Since 1833, when the inventive Charles Antoine LeCoultre established this venerable watchmaker, it has produced some of the most outstanding and innovative timepieces. It wasn't until 1931, however, that the Jaeger-LeCoultre brand rose to international fame. It was then that the Reverso - an ingenious reversible watch - was unveiled to the public.

Clock Details

Brand Name:
Jaeger-LeCoultre
Style Number:
Q5112202
Also Called:
5112202, 511-22-02, 511 22 02, q5112202
Series:
Style (Gender):
Clock
Case Material:
Rhodium Plated Stainless Steel Transparent Case
Dial Color:
Silver/White Moonphase
Movement:
Automatic Hermetically Sealed
Engine:
Jaeger JLC562 (60 second oscillation period, 231 pieces)
Functions:
Hours, Minutes, Months, Moonphase
Case Length:
250.0 mm
Case Width:
185.0 mm
Case Thickness:
140.0 mm
Caseback:
Beige rear secured via 4 screws
Water Resistance:
NOT WATER RESISTANT
Calendar:
Perpetual Moonphase Calendar
Watch Bracelet / Strap Material:
18k White Gold
Additional Information
Incredibly accurate moonphase requires no adjustment until the year 3821.

The Atmos clock obtains the energy it needs to run from small temperature changes in the environment, and can run for years without human intervention.

Its power source is a hermetically sealed capsule containing a mixture of gas 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 variation in temperature of only one degree in the range between 15 and 30 degrees Celsius 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 1/60th the rate of the pendulum in a conventional clock.

The first clock powered by changes in atmospheric pressure and temperature was invented by Cornelis Drebbel in the early seventeenth century. Drebbel built as many as 18 of these, the two most notable being for King James I of Britain, and Rudolf II of Bohemia. The King James clock was known as the Eltham Perpetuum, and was famous throughout Europe. It is mentioned in two works of Ben Jonson.

Experimental clocks powered by atmospheric pressure and temperature changes were next made during the Enlightenment. An early example is Cox's timepiece, a clock developed in the 1760s by James Cox and John Joseph Merlin. The oldest predecessor still extant is the 1864 Beverly Clock.

The first Atmos clock was designed by Jean-Léon Reutter, an engineer in Neuchâtel, Switzerland, in 1928. This noncommercial prototype, which predated the Atmos name but is now known unofficially as Atmos 0, was driven by a mercury-in-glass expansion device. The mechanism operated on temperature changes alone.

On June 1, 1929, Compagnie Générale de Radio (CGR) in France began manufacturing the first commercial model, Atmos 1, which used a mercury and ammonia bellows power source. On July 27, 1935 Jaeger-LeCoultre took over production of Atmos 1 while it developed a second design which used the present ethyl chloride power source. This model, later named the Atmos 2, was announced January 15, 1936, but problems delayed full production until mid 1939.

Today the Atmos clock is a refined hermetically sealed luxury timepiece, that, like time itself, marches along without interruption and without human interaction.
FREE bracelet resizing. Learn more.

About Jaeger-LeCoultre

Since 1833, when the inventive Charles Antoine LeCoultre established this venerable watchmaker, it has produced some of the most outstanding and innovative timepieces. It wasn't until 1931, however, that the Jaeger-LeCoultre brand rose to international fame. It was then that the Reverso - an ingenious reversible watch - was unveiled to the public.
This clock is the Jaeger-LeCoultre Atmos Classic Phases de Lune Q5112202.

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100% Authentic

This clock is guaranteed 100% authentic, has original serial numbers and is shipped in factory-fresh, brand new, unused condition with all manufacturer documentation and packaging.

Package contains clock manufacturer's certificate of authenticity (if such certificate is applicable, and provided by the manufacturer), tags, stickers, boxes, and user manuals.

30 Day Returns

We will gladly accept returns within 30 days of receipt of delivery. Clocks must be returned to us in brand new, unused and undamaged condition. All domestic purchases showing as "In Stock" under $3000 will receive a full refund minus shipping fees. A 10% restocking fee will apply on all other orders. Read more.

Free Shipping

Gemnation ships your domestic order free via FedEx/UPS Insured Standard Delivery (3-5 days) after your order has been processed. Please read the additional information section next to the clock to determine processing times. Clocks that cost less than $200, will be shipped via FedEx/UPS Ground. Read more.

Two Year Warranty

We sell luxury clocks at considerably lower prices than the manufacturers list price. Gemnation is not an Authorized Jaeger-LeCoultre Clock Dealer and is not affiliated with Jaeger-LeCoultre. Authorized dealers are not permitted to discount or sell clocks on the Internet. For this reason, we choose not to be authorized clock dealers for many of the brands that we sell.

Since we are not authorized dealers for many of the clock manufacturers, we may be unable to ship the original clock manufacturers warranty. In all cases, however, we provide a Two Year Gemnation Warranty (active from the date of purchase).
Two Year Warranty

Recently Viewed

 

This clock is guaranteed 100% authentic, has original serial numbers and is shipped in factory-fresh, brand new, unused condition with all manufacturer documentation and packaging.

Package contains clock manufacturer's certificate of authenticity (if such certificate is applicable, and provided by the manufacturer), tags, stickers, boxes, and user manuals.

We will gladly accept returns within 30 days of receipt of delivery. Clocks must be returned to us in brand new, unused and undamaged condition. All domestic purchases showing as "In Stock" under $3000 will receive a full refund minus shipping fees. A 10% restocking fee will apply on all other orders. Read more.

Gemnation ships your domestic order free via FedEx/UPS Insured Standard Delivery (3-5 days) after your order has been processed. Please read the additional information section next to the clock to determine processing times. Clocks that cost less than $200, will be shipped via FedEx/UPS Ground. Read more.

We sell luxury clocks at considerably lower prices than the manufacturers list price. Gemnation is not an Authorized Jaeger-LeCoultre Clock Dealer and is not affiliated with Jaeger-LeCoultre. Authorized dealers are not permitted to discount or sell clocks on the Internet. For this reason, we choose not to be authorized clock dealers for many of the brands that we sell.

Since we are not authorized dealers for many of the clock manufacturers, we may be unable to ship the original clock manufacturers warranty. In all cases, however, we provide a Two Year Gemnation Warranty (active from the date of purchase).

Two Year Warranty
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