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.

Alpina

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Alpina

Alpina is a Swiss watch brand that was founded in 1883 in Geneva, Switzerland. The company was initially known for manufacturing high-quality movements and supplying them to other watchmakers. However, in 1901, Alpina began producing its own watches, and the brand quickly gained a reputation for its precision and durability.

Throughout the 20th century, Alpina continued to innovate and develop new technologies, such as the "Block Uhr" system, which allowed pilots to synchronize their watches with radio time signals. The brand also became known for its sports watches, which were designed for activities such as diving, skiing, and mountaineering.

Today, Alpina is part of the Frederique Constant Group, and the brand continues to produce high-quality Swiss-made watches that combine traditional craftsmanship with modern technology. Alpina's collections include a range of sports watches, as well as dress watches and classic timepieces. The brand is also committed to sustainability and has introduced eco-friendly materials and manufacturing processes in some of its models.