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.

Massena LAB

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Massena LAB

Massena LAB is a watch brand and platform for unique timepiece creations, founded by William Massena in 2018. William Massena is a passionate watch collector and horology enthusiast, with an extensive background in the watch industry. He has held various roles, including those of a retailer, consultant, and former auctioneer. Notably, he played a significant part in TimeZone, a renowned watch collectors forum, where he served as Managing Director from 2005 to 2020.

One of the key highlights of Massena's contributions to the watch world is his collaboration with Richard and Maria Habring, independent watchmakers renowned for their craftsmanship. Their joint efforts resulted in the creation of sought-after timepieces, such as the TimeZone 20th Anniversary Habring² Chrono COS and the Habring² x TimeZone Jumping Seconds, both of which garnered considerable attention and acclaim.

In 2018, leveraging his experience and passion for watchmaking, William Massena established Massena LAB as a platform for fostering collaborations with independent watchmakers. The brand aims to create and design unique timepieces that go beyond the ordinary, offering collectors and enthusiasts exclusive and innovative watch offerings.