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
Quartz Movement

Quartz Movement

It is a type of watch movement that uses quartz to move the watch hands and operate its functions. The quartz movement consists of a combination of electronic and mechanical components that work together to achieve high accuracy in timekeeping.

In quartz movement, a quartz crystal is used as a timing device. When the crystal is subjected to an electric current, a constant electrical pulse is generated at a specific frequency. These electrical pulses are converted into a precise signal used to move the watch hands and display the time.

Quartz movement is known for its high accuracy, as it is regulated by the steady frequency of the quartz crystal. It is also stable and reliable, allowing for time reading with accuracy up to a few seconds. This makes it a popular choice for precise and reliable watches.