2015年2月12日星期四
Most Sophisticated Mechanism Tourbillon wrist watches
Tourbillon nvented at the start of the 19th century to compensate for the effects of gravity on the rate of pocket-watches, the tourbillon has, for a number of years, known unprecedented popularity. With its tiny mobile carriage comprising some 60 or 70 parts for a weight of less than a gram, the tourbillon represents the peak of the watchmaking art, leading brands to produce increasing numbers of exclusive tourbillon movements. Replica iwc aquatimer watches that focus on the aesthetics of display configure elaborate settings for the mechanism. Watchmakers also develop new constructions such as multiple and multi-axis tourbillons that are better suited to wristwatches, even though the attraction of this queen of complications lies more in its technical sophistication and its mechanical show than in any real improvement in precision. 215
A Most Sophisticated Mechanism In the days when they were worn in vest pockets, watches spent most of their time in the same vertical position. But the Earth's attraction has a negative effect on the rate of the movement, acting especially on the Replica IWC Da Vinci Watches balance and spring, which determine the precision of the watch. To counter these irregularities, Abraham-Louis Breguet (1747-1823) had the idea of enclosing the heart of the watch-the balance, spring and escapement-in a tiny carriage that rotated about its axis once a minute. Rotating the balance through all vertical positions thus averaged out the positional errors in its rate. The overwhelming adoption of the wristwatch in the 20th century could have led to the demise of the Replica IWC Pilot Watches tourbillon, for this device loses a great deal of its effectiveness in a watch that is never stationary. But the revival of mechanical watchmaking in the 1980s propelled the tourbillon into the top rank of horological complications as a supreme demonstration of Swiss watch-making skills. Mighty Comeback Tourbillon fever has taken hold since the start of the millennium.
In 2004 alone, total production reached some 2,500 pieces-more than all the tourbillons made between 1805 and 1980. More than 50 Swiss brands have a tourbillon wristwatch in their catalog, which is remarkable considering that only a handful of artisans are said to be capable of building the Replica IWC Portuguese Watches device. Faced with this relative abundance, the major watchmaking companies are making a point of offering proprietary tourbillons with innovative solutions. In 2002, Piaget created the thinnest tourbillon form movement, the 3.5mm-high caliber 600P, for its rectangular Emperador models. In its jeweled skeleton Emperador, the company has produced a totally ethereal version of the tourbillon with the gems set directly in the movement. The same caliber 600P beats within the square Altiplano Tourbillon, which is a modern version of the fob watch. In 2003, Chopard presented its L.U.C 1.02 4T caliber with four mainspring barrels that provide an eight-day power reserve. It has since been released in a new case that Replica Breitling Aerospace Watches is both technical and modern.
Zenith recently launched two tourbillon watches in its new Academy collection, one of which, with an asymmetrical dial, is combined with a chronograph and a perpetual calendar. Jaeger-LeCoultre presented its Master Tourbillon with much fanfare in the spring of 2006. The proprietary movement is notable, not only for its technical features but also for its price, which is significantly more affordable than that of competitive products. To give the devil his due, the Swatch Group's Breguet company, run by Nicolas Hayek himself, has also decided to honor the finest jewel of its heritage. In 2007, its Tradition collection included a model displaying a spectacular tourbillon mechanism with a fusee and chain. This transmission device with differential gearing delivers constant torque to the escapement, whatever the state of wind of the Replica Breitling Avenger Watches mainspring. In a more playful mode, Girard-Perregaux offers a most original model called the Vintage 1945 Jackpot Tourbillon, with a slot machine fitted with a chiming mechanism. Also remarkable is Harry Winston's Tourbillon Glissiere because of its automatic winding system, which consists of two sliding weights acting on the winding ratchet.
wrist watches
men's watch
kid's watch
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