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
Chronograph

Chronograph

Is a watch or a stop watch, used to measure time intervals with precision. It allows the user to start and stop the timing to record different time durations, which are displayed through dedicated indicators or a digital display.

A stopwatch or chronograph typically features additional buttons or a pusher on the watch case, which are used to control the timing functions. By pressing the start/stop button, the timing is initiated or paused, and the elapsed time is accurately displayed on the dedicated timing indicators.