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
Ebauche

Ebauche

Is a French term that means "blank" or "incomplete." It refers to an unfinished watch movement. Ebauches are manufactured by specialized companies and sold to other watch companies for use in watchmaking.

Ebauches serve as a foundation for developing and producing watch movements. They are customized and modified to meet the needs of watch manufacturers. Ebauches are used as a starting point for developing movements instead of building them from scratch, which saves time and cost in watch production.

Ebauches are available in various sizes and specifications, and they can be customized and modified according to the requirements of the watch manufacturer or specific design requests. Ebauches are used in a wide range of watches, from simple timepieces to luxury watches with advanced complications.