The Excalibur Bi-Retrograde Calendar by Roger Dubuis

This year, Roger Dubuis celebrates its 30th anniversary, and for the occasion, the company pays tribute to its co-founder’s favourite complication: the bi-retrograde display.

This function, previously featured in the Excalibur Grande Complication alongside a dozen other highly complex mechanisms, takes centre stage once again. The Maison has also introduced a less complicated, more classic edition to further honour the bi-retrograde display.

Also referred to as “the ecliptic counters” by the Maison a nod to their elliptical shape and distinctive role in indicating the months and date the design showcases a symmetrical dial layout. Enhanced by refined detailing, it pays homage to the Maison’s early creations from 1996.

Glossary

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Glossary
skeleton

skeleton

The term "skeleton" is derived from the skeletal structure, referring to the internal parts of the watch, reminiscent of the human skeleton.

In watches with a skeleton case, the dial and sometimes the case back are made from transparent materials such as sapphire crystal or clear acrylic, allowing the wearer to see the intricate mechanical components of the watch movement. The main purpose of the skeleton case is to showcase the intricate and precise movement of the watch, providing an attractive and artistic visual display.

The exposed movement typically reveals gears, bridges, balance wheel, escapement mechanism, and other intricate parts of the watch. The design often includes intricate and beautiful engravings, patterns, and meticulous finishing of the visible components, enhancing the visual appeal of the watch. A watch with a skeleton case is considered luxurious and elegant, offering a captivating visual experience.