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Possible Complications | Breast Augmentation Complication Orange County ocps.com | LASIK Complications | LASIK Surgery Complications eye-surgery-advice.info | LASIK complications Lasik laser eye surgery complications medic8.com | Not-specific complications - not-anaesthetic complications - anaesthetic plasticsurgery-canada.com |
In horology, the term complication refers to any feature beyond the simple display of hours, minutes, and seconds in a timepiece. A timepiece indicating only hours, minutes, and seconds is otherwise known as a simple movement. Common additions such as day/date displays, chronographs, and automatic winding mechanisms are usually not sufficient to permit a movement to be called complicated. Moreover, that a watch movement may be a Certified Chronometer does not itself count as a complication. The more complications in a watch, the more difficult it is to design, create, assemble, and repair. A typical date-display chronograph may have up to 250 parts, while a particularly complex watch may have a thousand or more parts. Watches with several complications are referred to as grandes complications. The initial ultra-complicated watches appeared due to watchmakers' ambitious attempts to unite a great number of functions in a case of a single timepiece. The mechanical clocks with a wide range of functions, including astronomical indications, suggested ideas to the developers of the first pocket watches. As a result, as early as in the 16th century, the horology world witnessed the appearance of numerous complicated, and even ultra-complicated, watches. Ultra-complicated watches are produced in strictly limited numbers, with some built as unique instruments. Some watchmaking companies known for making ultra-complicated watches are Breguet, Patek Philippe, and Vacheron Constantin.[1]
[edit] ExamplesExamples of complications include:
[edit] Nonhorological complicationsSometimes various displays in or on a watch are counted as complications even if they have nothing to do with timetelling. Often-seen examples include thermometer, barometer (rare in watches; more frequent in clocks), compass, or altimeter. Many horologists will not count nonhorological complications when adding up the number of complications on a given watch or clock, and some purists even exclude the power reserve from the complications count because it does not show a time indication (although its function is related to timekeeping). [edit] Grand complicationsA grand complication is a watch with several complications, the most complex achievements of haute horlogerie, or fine watchmaking. Although there is no 'official' definition,[2] one common definition is a watch that contains at least three complications, with at least one coming from each of the groups listed below:[3] 
[edit] The most complicated pocket watch movementsAccording to watch manufacturer Patek Philippe, the three most complicated watches in the world are all pocket watches made by that company.
[edit] The most complicated wristwatch movementThe Hybris Mechanica Grande Sonnerie is the world's most complicated wristwatch. Powered by the Jaeger LeCoultre Calibre 182 movement, with 26 complications and over 1300 parts. The movement is housed in a 44mm by 15mm 18k white gold case. [6] [edit] External links
[edit] References
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