Vacheron Constantin has redefined haute horlogerie by creating the world’s most complicated wristwatch with 41 astonishing complications


Vacheron Constantin has once again cemented its legacy as the master of high complications with the unveiling of the Solaria Ultra Grand Complication. Celebrating its 270th anniversary, the Swiss maison has created the world’s most complex wristwatch, packing an astonishing 41 complications into a 45mm case. This new record-breaking timepiece surpasses the Patek Philippe Grandmaster Chime, which held the previous title with 20 complications, and sets a new benchmark in haute horlogerie.


This achievement is not without precedent. Vacheron Constantin already holds the record for the most complicated pocket watch with the Berkley Grand Complication, itself outdoing the brand’s own reference 57260. Now, with the Solaria, it extends its supremacy into the realm of wristwatches, proving that no challenge is too great for its Les Cabinotiers atelier.


The Solaria is the result of eight years of development by a single master watchmaker. It features 1,521 components, 13 patents, and an intricate movement designed for maximum efficiency within a remarkably compact 14.99mm case. Despite its extreme complexity, the watch remains surprisingly legible, with two dials strategically organized to display civil, solar, and sidereal time alongside a perpetual calendar, moon phase, and tide indicators.

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One of the most groundbreaking features is its world-first celestial tracking function. The wearer can select a specific star or constellation and use the integrated split-seconds chronograph to measure the time until it becomes visible in the sky. This astronomical innovation is housed within a module just 2.8mm thick, a feat of miniaturization that underscores Vacheron Constantin’s technical prowess.


In addition to its astronomical complications, the Solaria includes a Westminster minute repeater with a four-hammer, four-gong system that chimes the hours, quarters, and minutes on demand. Seven of its 13 patents are dedicated to optimizing this chiming mechanism, ensuring both clarity and resonance within the compact case. The watch also features a split-seconds chronograph with an isolator system to minimize energy loss, along with a perpetual calendar that requires no adjustment for 122 years.

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Every element of the Solaria is designed with precision and artistry. The front dial presents four sub-dials in an elegant yet highly functional layout, enhanced by a mix of sandblasted and satin-polished finishes. The caseback is equally mesmerizing, featuring a rotating celestial vault and an aluminum chronograph hand designed to minimize weight. An innovative mounting system allows the two primary movement sections—the base timekeeping mechanism and the astronomical module—to connect seamlessly, ensuring peak performance without adding unnecessary bulk.


Despite its staggering complexity, the Solaria remains a practical wristwatch, a testament to Vacheron Constantin’s mastery of both engineering and design. Its status as a unique piece means it will likely never be seen outside the private collection of its future owner, but its impact on watchmaking history is undeniable. With this latest creation, Vacheron Constantin has not only pushed the boundaries of mechanical watchmaking but also reaffirmed its position at the pinnacle of haute horlogerie.

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