Roger Dubuis proves once again that watchmaking is art, expressed boldly, unapologetically, and with unforgettable flair. The Swiss Maison marks 30 years with its most intricate creation yet—the Excalibur Grande Complication.
Launched at Watches and Wonders Geneva 2025, this exquisite machine is not just a timekeeper—it’s a declaration of identity. Only eight pieces available, this piece draws collectors who value bold design, heritage and technical brilliance over subtlety.
Related article: Roger Dubuis: Tradition Meets Innovation
The Ultimate Trinity of Complications

Let’s begin with the essentials: this timepiece houses three of haute horlogerie’s most revered complications—a minute repeater, a perpetual calendar and a flying tourbillon—all powered by the in-house calibre RD118. Every one of its 684 components is hand-finished to meet the Poinçon de Genève standard, placing it in the highest echelon of craftsmanship.
What sets it apart? The Biretrograde perpetual calendar, which allows the display to reset in opposing directions for hours and minutes—a design detail that brings theatre to every glance. The minute repeater, activated with a slider, produces a strikingly rich tritone chime that feels less like a function and more like an acoustic signature.
Aesthetic, Architectural, Audacious
Visually, the Excalibur Grande Complication is architectural. A 45mm pink gold case encases a skeletonised dial that offers full view of the inner workings—gears, levers, tourbillons—all in fluid motion. The watch feels bold but balanced, maximalist but not messy.
It’s paired with a deep black 3D-effect calfskin strap, designed to mirror the depth and texture of the dial itself. The contrast between metal and leather, tension and harmony, makes this watch not just wearable but magnetic.
Wearing Legacy, Not Just Time
Roger Dubuis shared a journey through time, showing their legacy and future with one powerful watch. It’s not for everyone, and that’s the point. This timepiece is for the serious collector, the design purist, the mechanical romantic.
It captures what the house does best: fusing daring design with uncompromising technicality. In the Excalibur Grande Complication, time becomes theatre—and every second is a performance.
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