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June 26 — The Anniversary of the Tourbillon

Tourbillon

The tourbillon, this little mechanical wonder, with its hypnotizing movement that can turn anyone in a watch lover, was invented by Abraham-Louis Breguet. Developed around 1795, it was on this day, June 26, 1801, that he patented his revolutionary mechanical device. If today the tourbillon has an aesthetic role, usually shown on the face of the wristwatch as a token of high-end horology, Breguet had a more practical motivation to come up with it. Back in those days, gentlemen having their watches in their pockets, most of the time in a vertical position, these watches were susceptible to inaccuracies, mainly because of the gravitational force exercised on the escapement.

Breguet found a solution to this problem by mounting a lever escapement within a rotating cage that shares the same axis as the balance wheel and it is held in place by a bridge. By continuously rotating the entire balance wheel/escapement assembly at a slow rate, the tourbillon averages out positional errors.

During his lifetime, Abraham-Louis Breguet created 35 tourbillon watches, of which fewer than 10 are known to have survived. Here are a couple of them:

Breguet Tourbillon precision pocket watch No. 1188 sold to Don Antonio de Bourbon, Infante of Spain, in 1808

Breguet No. 2567 sold in 1812, currently in the House of Breguet collection.

June 26 is now celebrated by Breguet, the brand, as “Tourbillon Day” with special events at Breguet boutiques in Zurich, Taipei and New York, showcasing the brand’s vast collection of tourbillon pieces. Among them the gorgeous Classique Tourbillon Extra-Plat 5367 with an enamel dial and an incredibly slim profile of only 7.45 mm.

Breguet Classique Tourbillon Extra-Plat 5367

The 5367 is an automatic watch with a peripheral rotor, providing minimal obstruction to admiring the beautifully engraved movement.

The back of the Breguet Classique Tourbillon Extra-Plat 5367

More about Breguet at www.breguet.com

As a graphic designer, I'm fascinated by the crossroads between technology and aesthetics. Horology is one of these crafts, where art and engineering come together to produce mechanical wonders that grace the eye. WatchPaper was born from the desire to create an online tool where I can share my passion for watches.