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
Indices

Indices

In watches refer to the markers or hour indicators on the dial of an analog watch. They are typically represented by small lines, dots, or other symbols that mark the hours or minutes on the watch face. Indices are used to help the wearer read and interpret the time displayed by the watch. They play a crucial role in providing a visual reference for reading the time accurately, especially in combination with the watch's hands. The design and style of indices can vary widely depending on the watch's aesthetics and intended functionality.