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
Champlevé

Champlevé

Is a decorative technique that involves creating sculptures or engravings on a thick metal surface and filling them with enamel coating.

The champlevé technique is applied by carving or engraving the desired design onto the metal surface, resulting in distinct cells or areas. These areas are then filled with enamel coating, usually in different colors, and exposed to high temperatures to fuse the coating with the metal surface. After cooling, the component's surface is polished to achieve a smooth and even finish, enhancing the vibrant colors of the enamel. The champlevé technique is often used in watch enameling, showcasing high skill and craftsmanship in watchmaking.