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21

The How And Why Of Patents, Including The World’s Most Famous Watchmaking Patent Granted For Abraham-Louis Breguet’s Tourbillon

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Patented inventions are present in every aspect of human life. Electric lighting glows in our rooms due to patents held by Thomas Edison and Joseph Swan; plastic is omnipresent thanks to patents registered by Leo Baekeland; and even ballpoint pens would not be on every desk if Laszlo Biro hadn’t patented them. Elizabeth Doerr takes a look at patents in the watch industry, including the most famous of all: Abraham-Louis Breguet’s patent for the tourbillon.

23

Sotheby’s To Auction George Daniels Spring Detent Tourbillon In London On July 6, 2017 (Updated With Result)

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This Sotheby’s London auction is part four of a series celebrating the English watch and contains English watches from the mid-seventeenth century all the way up to the 1970s, However, all eyes will certainly be on the prize in this sale: the George Daniels Spring Detent Tourbillon Pocket Watch.

24

Born In The USA: RGM Pennsylvania Tourbillon

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Released in 2010, the RGM Pennsylvania Tourbillon made a pretty big splash among those who have educated themselves about such things. It is, after all, the only serially produced tourbillon made in America and is simply an increditastic watch from any perspective. Design, function, and finishing: it is at the head of its class.

25

Patek Philippe 5002 Sky Moon Tourbillon:  The Most Complicated Wristwatch Produced By Patek Philippe

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The Patek Philippe 5002 Sky Moon Tourbillon launched in platinum for the 2001 model year, the 12-complication featured two dials. Dial one was devoted to a moonphase indicator and a perpetual calendar with retrograde date display. On the sub-dial display for months, simple text promised a tourbillon regulator within the case.

27

Breguet Classique Double Tourbillon 5345 Quai de L’Horloge: How Two Tourbillons Rotate Within A Revolving Dial

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The Breguet Classique Double Tourbillon 5345 Quai de l’Horloge features two separate tourbillons – but that isn’t all: the hour wheel moves a plate that makes a rotation once every twelve hours, taking the hour hand (and everything else on the dial) with it. The open movement on the dial side puts everything beautifully on display. But possibly it’s the hand-engraved case back, a poetic story in itself, that is Elizabeth Doerr’s favorite detail of this new watch.

28

Tourbillon Of Tourbillons By Antoine Preziuso: Fractals Meet Inception (Archive)

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AHCI member Antoine Preziuso’s mind-blowing Tourbillon of Tourbillons embodies the ideas of fractal geometry and recursion by producing a ten-minute tourbillon driven by three sixty-second tourbillons. It is an amazing machine. And as the only indications are minutes and hours, the Tourbillon of Tourbillons is something that exists as much for its own sake as it does for telling the time.

29

The Astronomical Grandeur Of The Bovet Récital 22 Grand Récital

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The astronomical Bovet Récital 22 Grand Récital continues the story of the Récital 18 Shooting Star (2016) and the Récital 20 Astérium (2017), all three conceived with the idea of creating world views as seen from the sky. And in a nice touch, it was the sky over Bovet’s home in the Château de Môtiers near Fleurier that was the inspiration for all three of these magnificent watches.