1960s Jaeger le Coultre Brass ATMOS Mantel Clock Model 528-6


Out of stock


1960s Jaeger le Coultre Brass ATMOS Mantel Clock Model 528-6

This is an absolutely gorgeous 1960s Jaeger le Coultre Brass ATMOS Mantel Clock Model 528-6. Known as the “Perpetual Motion” Clock, no manual winding is required: the mode of operation was patented by Jean-Léon Reutter in 1928. Made In Switzerland, it comes with its original polystyrene transit case with green Le Coultre ribbon and original instruction leaflet.

Not only is an ATMOS clock a quiet and reliable timekeeper, its timeless design makes a real statement piece for your mantel or shelf! They reliably run for years on ‘fresh air!’

This ATMOS clock has been cleaned and serviced: the bellows are fully functional. There is some dulling/fading of the brass/lacquer, and some superficial scuffs and surface scratches that are only visible on close inspection. As far as I can see, there are no cracks or pitting.

  • Maximum Dimensions (approximate): 21cm x 16cm x 23.5cm ( W x D x H)
  • Serial Number: 189257 (1960s serial numbers include 127,000 to 299,999)
  • Dial and bellows: LeCoultre, Swiss
  • 15 jewels
  • It has a ‘lift-off’ glass case.

This clock has sat on our guest bedroom chest of drawers for 20 years: as seen on the images. (We already had one ATMOS on our mantlepiece but loved the design so much that we bought another)! Over the years it has been much admired by all our visitors but its now time to let it go to a new home.

A new ATMOS from Jaeger Le Coultre costs over £6,000! We are selling this one for under £1000.

Perpetual Motion:

Although Le Coultre refer to this as a perpetual motion clock, that is a misnomer and the clue really is in the brand name ‘ATMOS,’ as the clock receives its energy from temperature and atmospheric pressure variations which cause expansion and contraction of liquid in the hermetically sealed bellows. This motion winds the clock’s main spring and torsion pendulum. Minor adjustments can be made using the built-in lever.

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Additional information

Weight 7.2 kg