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.

Seagull

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Founded in 1955, Seagull made history with the launch of the "Five Star" wristwatch, China's first domestically produced watch. This milestone marked the end of China's reliance on foreign-made timepieces and heralded the beginning of the nation's watchmaking journey. The company has developed complex timepieces like tourbillons, minute repeaters, and perpetual calendars, which have showcased China’s growing expertise in horology.

Over the decades, the brand has maintained its commitment to craftsmanship, design, and technological advancement. Recognized as a "National Industrial Design Center" and a leader in chinese watchmaking innovation, Sea-Gull continues to push boundaries and shape the national watchmaking landscape.