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Postby sonyaany » Thu Jul 07, 2016 8:25 am

What Are Chronograph Watches

The term chronograph is derived from the Latin words "chronos" and "graph" which mean time and chart, respectively. It is important to understand the difference between a chronograph and a chronometer when considering the purchase of one of these timepieces. A chronograph is any watch with a separate stopwatch feature, and its precision can Cheap Ray Ban Wayfarer vary; but chronographs tend to be very precise, as they are usually offered on high end Swiss timepieces. A chronometer, however, is an officially certified chronograph whose precision has been tested. All chronometers Cheap Ray Ban Sunglasses are chronographs, but not all chronographs meet the exacting standards required to be certified as chronometers. A watch that qualifies as a chronometer will make it known on the dial, case or in the timepiece's literature.

Contrary to conventional wisdom, the chronograph did not originate in Switzerland. The first chronograph was developed in Paris in 1821 by watchmaker Nicolas Rieussec, and by 1822 the device was patented. The watch became popular with scientists, sportsmen and members of the military, and by the 20th century had become Cheap Ray Ban Wayfarer a staple of race car Cheap Ray Ban Sunglasses drivers and astronauts. In the 21st century, these timepieces are still used by the same types of people, but more often the chronograph is worn for its style, since chronographs are now available at more reasonable prices.
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