
In the exclusive world of Haute Horlogerie, there are creations that are admired with admiration and others that redefine the very meaning of watchmaking mastery. Les Cabinotiers Solaria Ultra Grand Complication – La Première undoubtedly belongs to the latter category. With 41 complications combined in a single caliber, this unique piece is not merely a technical record: it is the tangible manifestation of 270 years of Vacheron Constantin excellence.


The new Caliber 3655 is a marvel of miniaturization and mechanical architecture, the result of eight years of development and 13 patent applications. Despite housing 1,521 components, it maintains impeccable proportions: 45 mm in diameter and just 14.99 mm thick. Its repertoire of functions is as extensive as it is fascinating: triple time display—civil, solar, and sidereal—five rare astronomical complications (including a world first), a perpetual Gregorian calendar, moon phases with centenary precision, and a Westminster minute repeater whose sound evokes a cathedral chime.

The visual experience is equally masterful. The front dial displays contrasts and textures that optimize legibility, while the back reveals a real-time celestial chart, traversed by a split-seconds chronograph capable of calculating the precise moment a star will appear in the sky. Every detail—from the mirror polish to the circular satin finish—has been executed by hand, making the movement a kinetic spectacle that only the most exclusive Haute Horlogerie can offer.


In a sector where complexity often compromises aesthetic harmony, the Solaria demonstrates that the two can coexist in perfect harmony. It's more than a watch: it's a mechanical work of art, a declaration of technical supremacy, and a living tribute to the Maison's spirit: "Doing the best you can, and that's always possible."

Photos: courtesy.
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