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
Auto Repeat Countdown Timer

Auto Repeat Countdown Timer

An Auto Repeat Countdown Timer is a timer that automatically restarts itself after the countdown reaches zero. This means that the timer will repeat the same countdown cycle over and over again until it is manually stopped.

For example, if you set an Auto Repeat Countdown Timer for 10 seconds, once the countdown reaches zero, it will start again automatically from 10 seconds and count down to zero again. It will then restart the countdown again, and this cycle will continue until you manually stop it.

Auto Repeat Countdown Timers can be useful in a variety of situations, such as for exercise routines, meditation, cooking, or any other activity that requires repetitive timing. With an Auto Repeat Countdown Timer, you don't have to worry about manually restarting the timer each time it reaches zero, making your task more efficient and less stressful.

mechanical wristwatches with an Auto Repeat Countdown Timer are relatively rare. However, there are a few examples of watches that feature this function:

Omega Speedmaster X-33 - a hybrid mechanical and digital watch that features an Auto Repeat Countdown Timer that can be set for up to 99 minutes and can repeat up to 99 times.