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

Rolex uses the same care and attention that are devoted to the protective gshock watchcase with its virtually scratchproof watch crystal and the screw-down crown. All Rolex Oyster Perpetual models are fitted with an automatic casio winding mechanical movement -- the Perpetual Rotor, gshock patented by Rolex in 1931 -- which transforms the slightest wrist movement into a source of energy. Rolex also offers the Oysterquartz line, which is equipped with quartz movements that Rolex produces. Every Oyster is a true masterpiece watch in miniature, which casio will remain your lasting, gshock reliable partner watch in business and leisure. Here is some more info: Hans Wilsdorf, a British subject, was the founder of the Rolex company. He was 19 years old when he first entered the watchmaking industry. With casio borrowed money he and his brother-in-law founded gshock Wilsdorf & Davis, a company watch that distributed wristwatches and manufactured cases.

TAG Heuer is a leading producer of prestigious Swiss sports watches and chronographs sold under one of the world''s most widely recognized luxury brand names.The name "TAG Heuer" is instantly recognizable worldwide; undeniably original. casio It has a personality and a style all of its own. Unconventional, original, fast moving - these gshock are just some watch of the qualities immediately associated with the TAG Heuer brand. Tracing its roots to a workshop founded in 1860 by Edouard Heuer, TAG Heuer has a long tradition of technological innovation in precision timepieces, including stopwatches and water-resistant watches Reflecting this heritage, the TAG Heuer brand has long been closely associated with the world of competitive sports,