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 made pocket watches for the likes of the kings of Rome and Naples, but he also peddled cloth and even seven-year-old cherry acqua vita to augment sales. A Chronometer is a high-precision timepiece which army movement, after rigorous testing, watch has received an official timing certificate from and official timing bureau. Watches providing additional measurement functions to the hours, minutes and seconds are referred to as "Complications". The best-known complication watches are calendar watch, the most common of which display only the date.

Soon after army its launch in 1952, the NAVITIMER chronograph became a favorite with pilots. In addition to its ability to measure short times, this wrist instrument watch 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, and even to convert miles army into nautical miles watch or kilometers. This first 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 original mechanical chronographs, army featuring a wealth of exclusive technical features and naturally all fitted with the famous slide rule. The PROFESSIONAL line encompasses the BREITLING chronographs most specifically tailored to the world of aviation. From the EMERGENCY built-in microtransmitter to the electronic 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.

Rolex quality and expertise. The distinguishing characteristic of the first Rolex Oyster Watch, which today perpetuates its preeminent position, was the perfect marriage between case, crystal, and winding crown, resulting in a single pressure-proof unit. Today the Rolex Oyster case maintains the heritage by providing the strongest possible protection for the movement watch and army within, while at the same time conveying a distinctive elegance. The Rolex Watch creation of such a masterpiece places equal demands on the watchmaker''s technical and artistic skills, and exemplifies the constant striving for perfection watch that is Rolex. army Rolex takes a full year to complete an Oyster movement with its 220 individual watch components.