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
spring bar

spring bar

A small metal bar or pin used to attach the watch strap or bracelet to the watch case. It acts as a connector between the strap or bracelet's end pieces and the lugs on the watch case. The spring bar is designed with a spring-loaded mechanism, allowing it to be easily inserted and removed from the lugs. This enables the wearer to change or replace the watch strap or bracelet with ease, offering versatility and customization options. Spring bars are commonly used in a wide range of watches, from casual to luxury timepieces, and they play a crucial role in securely holding the strap or bracelet in place while ensuring a comfortable fit on the wrist.