Atmos-ur - Messing - 1940-1950
Nr. 83796365
Atmos-ur, Kaliber 528-6 - Jaeger LeCoultre - Glas, Messing - 1960-1970
Nr. 83796365
Atmos-ur, Kaliber 528-6 - Jaeger LeCoultre - Glas, Messing - 1960-1970
Jaeger LeCoultre Atmos perpetual motion clock, caliber 528-6, serial number 201307, made in 1965. Rare model with satin (brush ) finish. Brush finish came into widespread use on the 540 and later models, but was fairly rare during this time period. Good running condition, keeps accurate time (+/-5min. per week), movement is in good condition, recently cleaned, bellows inspected, works well. The case has some discolouration spots (see video and pictures for more details https://youtu.be/PEtLtPGibIM ) Secure shipping using double-boxed packing, "from door to door " courier delivery service (DPD, Fedex, GLS,).
Jaeger-Le Coultre's famous 'Atmos' clock was first developed in 1928. The clock is automatically wound without any intervention by the owner. Changes in air temperature make winding the clock's mainspring. A change in temperature of one degree can provide enough power to run the clock for a few days, and the mainspring has enough power in reserve to run the clock for a year. Energy is conserved by the very slow-moving twisting pendulum which 'beats' only twice per minute. The movement is very silent.
Warning!!! These clocks can have troubles to wind in premises with high-quality climate control systems (where the air temperature is very stable).
The clock must not be moved without locking the pendulum - moving the lever at the base bottom from the left to the right.
To change the time, the minute hand must be moved by turning it clockwise.
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