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
Gasket

Gasket

Is a seal made of rubber, plastic, or other materials that prevents the entry of water, moisture, dirt, or dust into the watch case. It protects its internal comonents, including the movement parts.

Gaskets are made from materials such as rubber, silicone, plastic, and other flexible materials that create a tight seal with the ability to withstand pressure. They are found in various parts of the watch, such as the case back, crown, and buttons.