Soon after its launch in 1952, the NAVITIMER chronograph became a favorite with pilots. In addition vogue to its ability to measure short times, this wrist instrument eyewear is equipped with a "navigation computer", a circular slide rule able to handle all airborne navigation calculations, such as climbing times or fuel consumption rate, vogue and even to convert miles into nautical miles or kilometers. This first eyewear NAVITIMER was officially chosen by the AOPA (Aircraft Owners and Pilots Association), encompassing pilots from around the world. Today, this model has lent its name to a line of vogue original mechanical chronographs, featuring a wealth of exclusive technical features and naturally all fitted with the famous slide rule. The PROFESSIONAL line encompasses the BREITLING chronographs eyewear most specifically tailored to the world of aviation. From the EMERGENCY built-in microtransmitter to the electronic vogue sophistication of the B-1, along with the ease of handling typical of AEROSPACE models, BREITLING places its finest technology in the service of pilots.

The oldest watch manufacturer in the world, Vacheron & Constantin was founded in 1755 by Jean-Marc Vacheron, a 24-year-old Geneva cabinotier, or watch craftsman, who dared to venture out and open his own workshop. Vacheron eyewear made pocket watches for the likes of the kings of Rome and Naples, but he vogue also peddled cloth and even seven-year-old eyewear cherry acqua vita to augment sales. A Chronometer vogue is a high-precision timepiece which movement, after rigorous testing, has received an official timing eyewear certificate from and official timing bureau. Watches vogue providing additional measurement functions to the hours, minutes and seconds are referred to eyewear as "Complications". The best-known complication watches are calendar watch, the most common of which display only the date.

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