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Exploring the Astrotourbillon Skeleton from Cartier

Exploring the Astrotourbillon Skeleton from Cartier

August 18, 2016

Created by Cartier in 2010, the Astrotourbillon has been the subject of a great deal of watchmaking research since its very conception. Thanks to this watch with its spectacular dial, it today stands as one of the emblematic watchmaking complications of the Cartier Fine Watchmaking collection.

In 2010, Cartier offered a new vision of traditional tourbillon design with the Rotonde de Cartier Astrotourbillon watch. For the first time, this complication was no longer limited solely to its function, which consists of guaranteeing better timekeeping and reducing the effects of gravity, but instead was fully incorporated into the aesthetics of the watch. Indeed, unlike classic tourbillons that rotate around their own axis, the Astrotourbillon is distinguished by its elongated cage, which enables the balance to circle the dial in a minute, thus marking the seconds and evoking a star.

In 2012, on the back of research led by the innovation program responsible for the ID One and ID Two concept watches, which explore, among other areas, the performance of materials never before seen in watchmaking, Cartier decided to use carbon crystal for the Astrotourbillon, thus making it the first Cartier movement available for purchase to benefit from this incredible technical advancement.

Made in-house, Cartier's 9461 MC movement

It is as a sculptor of shapes that Cartier has approached this new interpretation of the Astrotourbillon. Entirely laid bare, disentangled from all other mechanisms in order to move into the foreground, it has been entirely rethought and created according to the strictest rules of proportion, harmony and balance. Behind lies an aesthetic intention, a daring creative stance that aims to highlight the movement's structure so that it "disappears" behind the imposing XII and VI on the dial - a true Cartier signature. Freeing up this space allowed the maisonís watchmakers to showcase the Astrotourbillon in all its majesty and increase the amplitude of its rotation.

Watchmaking Signature

Entirely skeletonized, the main plate of the 9461 MC movement rests on just these two Roman numerals. In this unique architecture, these bridges powerfully structure the caliber, defining its appearance and supporting the construction.

Weightless Rotation

This architecture is aerial both in terms of its structure and its tourbillon cage. In fact, its elongated form enlarges the amplitude of its trajectory and evokes a celestial body traveling through space. At the crossroads of technical progress and a daring artistic vision, the Rotonde de Cartier Astrotourbillon Skeleton watch embodies the maison's ambitions: at once creative and innovative, from both a technical and aesthetic perspective, it is at the heart of the great challenges met by Cartier Fine Watchmaking. Today it has accomplished the double feat of reducing the movement to an almost sculptural form and generously enlarging the orbital trajectory of this unique complication: the Astrotourbillon.

Rotonde de Cartier Astrotourbillon Skeleton

Technical Specs

Limited series of 100 numbered pieces

47mm case in 18-karat white gold

Beaded crown set with a sapphire cabochon

Sword-shaped hands in blued steel

Black alligator-skin strap

Double adjustable folding buckle in 18-carat white gold

Sapphire caseback

Case thickness: 15.5 mm

Water-resistant to 30 meters

Calibre 9461 MC: manual winding manufacture movement with astrotourbillon complication

Power reserve: approximately 48 hours

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