Breguet Classique Tourbillon Extra-Plat Automatique 5367 Grand Feu Enamel For 'Tourbillon Day'

Breguet Breguet has begun to “celebrate” a pseudo horological holiday called Tourbillon Day While it might not be a real holiday in the conventional sense, it certainly is rooted in something historical in the watch world and perhaps even deserves to be feted: it was on June 26, 1801 that Abraham-Louis Breguet received the patent for an innovation he called the tourbillon In a nutshell, the tourbillon saw the pocket watch’s escapement placed inside a miniscule mechanical cage, where it made one complete revolution every 60 seconds.

The purpose of it was to make sure the escapement was never in the same position, thus ensuring it could not be affected by gravity, which had an adverse effect on the precision of pocket watch movements Unlike a wristwatch, the pocket watch was generally kept in the same position all the time (in a pocket) Today the tourbillon is not a. Source