Tourbillon watch detail

The tourbillon is a watch complication that compensates for gravity's effects on the movement, enhancing accuracy.

About this subject

Invented by Swiss-French watchmaker Abraham-Louis Breguet and patented in 1801, the tourbillon is one of high horology's most fascinating complications. Its original purpose was to counteract inaccuracies caused by gravity when a watch is in a vertical position, common for pocket watches. The mechanism consists of a rotating cage that houses the escapement and balance wheel, completing one rotation per minute. This distributes positional errors over the cycle, improving average accuracy.

With the advent of wristwatches, the tourbillon lost some of its practical utility since the arm's movement already compensates for gravity. However, it became a symbol of technical mastery and craftsmanship. Brands like Patek Philippe, Audemars Piguet, and Jaeger-LeCoultre produce modern variations, such as the flying tourbillon (without an upper bridge) and the multi-axis tourbillon, which rotates in several directions.

Producing a tourbillon requires extreme precision: hundreds of minuscule components are assembled by hand. The complexity and manufacturing time drive up the price of watches with this complication, often exceeding tens of thousands of dollars. The aesthetic beauty of the moving mechanism is another draw, with skeletonized bridges and finishes like Côtes de Genève.

A fun fact: although Breguet invented the tourbillon, only recently have some watchmakers managed to miniaturize it enough to fit into ultra-thin wristwatches, such as the Piaget Altiplano Ultimate Tourbillon, measuring just 4.65 mm thick.

Frequently Asked Questions

What is the purpose of a tourbillon in a watch?

The tourbillon counteracts gravity's effects on the escapement and balance, improving accuracy, especially when the watch is in a vertical position.

Who invented the tourbillon?

The tourbillon was invented by Swiss-French watchmaker Abraham-Louis Breguet, who patented it in 1801.

Are tourbillons common in modern watches?

Still a rare and expensive complication, the tourbillon is found in luxury watches from brands like Patek Philippe, Audemars Piguet, and Jaeger-LeCoultre.