Jaeger-LeCoultre Rich History of Inventions and Craftmanship
Jaeger-LeCoultre was the collaboration of the Jacques-David LeCoultre (Antoine LeCoultre’s grandson) and Parisian chronometer maker, Edward Jaeger in 1903. They have produced many world class inventions in their timepieces. One of the most famous created in 1928 was the Atmos which relies its energy from the temperature variations.
Under its flagship are many patents established by the company. They invented the Caliber 101 in 1929 which was the smallest caliber created then consisting of 98 elements and weighs only 0.9 grams. Then in 1956 they launched the world’s first automatic movement wristwatch equipped with an alarm mechanism, known as Memovox,
Then in 1958, the geophysic chronometer that comprises of a chronometer antimagnetic at 600 amp/meter meant for sailors. Its valuable mechanism was proven useful during the expedition by crew members of The Nautilus.
In 1992, the Master Control 1000 Hours series was introduced. It was tested up to 1000 hours that was way above the COSC requirements. Then they also launched the Reverso 101 that incorporates the Caliber 101 to be the smallest mechanical movement in the world. In year 2000, the company was bought over by Richemont Group who continued their legacy as well as create masterpieces with a difference.
In 1931, Jaeger-LeCoultre launched the Reverso collection of watches that was an immediate hit among watch enthusiast. From then till now, the company has continuously introduced newer collections of Reverso into the market.
As its name depicts, the watches barrel-shaped case allows reversible double-face. Some of the latest designs well-noted are the Reverso Gran'Sport Chronograph and Reverso Gran'Sport Duo. The Gran’Sport was first launched in 1998 and required 7 years of research and development.
The largest case created in the Reverso ranges are the Reverso Grande Date and the Reverso Grande Reserve. The Grande Date contains a large date, an amazing 8-day power reserve, and a small second counter. For the Grande Reserve, it also has the 8-day autonomy, small second counter, and a patented jumping power reserve at the reversible face.
Check out the other Reverso collection which is the Reverso Duo.
To commemorate Antoine LeCoultre, Jaeger-LeCoultre launched a Master Eight Days in 2004 based on the Master Control mechanism. It comes in 18K pink gold and also 200 pieces of limited edition with platinum case.

The watch uses a mechanical and manual winding movement with sub-counters covering from power reserve, small seconds, and day/night timing. It also has a beautiful LeCoultre signature on the middle of the case for every of its limited edition pieces.
Check out the other great Master Collections where all are tested for over 1,000 hours and so engraved with the “Master Control 1000 Hours”.
There is also another range known as Master Compressor which is different from the Master Collections above. It does not have the 1,000 hours testing. This range instead has a 44-45 hours power reserve within its movement.
New articles on Jaeger-LeCoultre watches:
Jaeger-LeCoultre AMVOX2
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