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
Corrector

Corrector

Is a protruding button located on the watch case that is used to adjust various functions or complications. By pressing it in a specific manner, depending on the type of watch and the functions it has. These functions can include the date, moon phase, or other complications that may not be linked directly to the crown of the watch.

The mechanism of the corrector varies from watch to watch, and there may be separate correctors for each function in the watch to independently adjust them. For example, there may be a corrector for adjusting the time and another corrector for adjusting the date.