In 1925, Jaeger-LeCoultre, or more specifically Ed Jaeger London Ltd, specialized in automative dashboard instruments. In the mid 1920s and leading up until World War II, Jaeger "became the prevalent supplier to the most prestigious car companies, including virtually all racing cars as 95% of car races were won by cars equipped with Jaeger counters." Read more about the historical ties between automobiles and Jaeger-LeCoultre here.

The 1952 Ferrari Mexico Vignale Berlinetta (shown above) is a rare (1 of 4) race car that is equipped with Jaeger gauges. This car is reportedly worth over $4 million dollars, and even though it may be one of the least aesthetically pleasing of vintage Ferraris, at least it has some cool gauges.

The Deep Sea Chronograph function indicator was inspired by a 1953 Jaeger Chronolight dashboard instrument (shown above).

Jaeger-LeCoultre has just revealed a new diving chronograph, the Jaeger-LeCoultre Deep Sea Chronograph. Unlike most chronographs, this one can be operated underwater. Breitling makes a magnetic quartz based chronograph that operates underwater, but as far as mechanical chronographs go, they typically do not work underwater.

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1 Audemars Piguet Royal Oak 40th Anniversary (entire collection)

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Earlier this week, Jay-Z wore a Jaeger-LeCoultre Grande Reverso Ultra Thin Tribute to 1931 in rose gold when performing at Carnegie Hall to Benefit the United Way of New York City and the Shawn Carter Foundation.

Last month at the Salon International de la Haute Horlogerie (SIHH ) in Geneva, Jaeger-LeCoultre unveiled the Duomètre à Sphérotourbillon, a tourbillon wristwatch that is both visually and technically amazing.

In Geneva, I met with Stéphane Belmont, Marketing Director at Jaeger-LeCoultre, and we discussed the historic importance of a tourbillon in watchmaking. As you probably already know, the first tourbillon was developed by Abraham-Louis Breguet around 1795; its purpose was to counter the effects of gravity by mounting the escapement and balance wheel in a rotating cage, thus improving the accuracy of the timepiece's regulating organs. Back then, the tourbillon was used to increase the precision of a timepiece.

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The Purists just published a sneak peek of a new timepiece that Jaeger-LeCoultre will unveil at SIHH 2012 next week - the Deep Sea Vintage Chronograph. It is a vintage inspired 100 meter dive watch powered by automatic caliber 751G and housed in a 40.5 mm case. This is not a professional diver watch and it is not recommended to activate the chronograph underwater.

The Deep Sea Chronograph is similar to the Memovox Tribute to Deep Sea that Jaeger-LeCoultre introduced last year. According to Jaeger's Tumblr site, it is "a remarkable reinterpretation of the legendary Memovox Deep Sea watch."

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Jaeger-LeCoultre announced today that it will create a special limited edition version of their Grande Reverso Ultra-Thin as a tribute to the popular AMC television series "Mad Men." The case back will be engraved with "Sterling, Cooper, Draper and Pryce" as well as the first initial of each partner's name. A total of only 25 numbered timepieces will be produced. Available in February 2012, just in time for the fifth season of Mad Men, which begins March 16th, 2012.

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Next month at SIHH 2012 Jaeger-LeCoultre will be introducing a smaller version of the Duomètre à Quantième Lunaire, which was originally launched in 2010.

The Duomètre à Quantième Lunaire case is 40.5 mm in diameter, as opposed to 42 mm for the original. Consumers are asking for more conservative, smaller diameter timepieces, and this perfectly reflects that trend.

Jaeger-LeCoultre's Duomètre collection features the brand's unique Dual-Wing movement, caliber 381, which uses two separate power supplies. One power supply is entirely dedicated to displaying the time (hour, minute and seconds hands), the date and moonphase, the other is dedicated to and regulated by the escapement and balance. Both are synchronized through the jumping seconds hand mechanism (foudroyante) driven by the escapement.

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