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.

Ollech & Wajs

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Ollech & Wajs

Joseph Ollech and Albert Wajs established Ollech & Wajs in 1956. They leased a small premises in Zurich and began making watches a year later. In 1964, OW shocked the industry by launching the OW Caribbean 1000 Precision, which boasted a record-breaking depth rating of 1,000 meters. Its innovative monobloc 'Triple-Safe' case could go 700 meters deeper than anything Rolex or Omega had achieved at that time.