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
Snap-on bezel

Snap-on bezel

The quick-release or snap-on bezel is a type of watch bezel that can be easily and securely attached to the watch case without the need for screws or other fastening mechanisms. Typically, the bezel itself has a slightly chamfered or toothed edge that aligns with corresponding slots on the watch case. The bezel is placed over the watch case, and with a gentle press or pull, the teeth on the bezel mesh with the corresponding slots on the case, securely locking the bezel in place.

It is user-friendly and allows watch owners to change bezels for different styles or functions without the need for specialized tools or watchmaker assistance. However, it is essential to handle the bezel with care during removal and installation to avoid any damage to the watch case or the bezel itself.