For Watches and Wonders Geneva 2026, Gerald Charles is going big with the launch of the Masterlink Perpetual Calendar — the most complicated watch the brand has made since its comeback. Inspired by founder Gérald Charles Genta and his “no compromise” approach, the watch features a new in-house perpetual calendar movement with an asymmetrical design that matches the shape of the case. What makes it stand out is how it mixes high-end watchmaking with everyday usability—including a water resistance of up to 100 metres. Overall, this watch marks an important new phase for the brand as it continues to explore more complex creations.

At the heart of the watch is the newly developed calibre GCA11000, an ultra-thin, shaped automatic movement measuring just 4.63mm in height. Comprising 306 components, it operates at a frequency of 3 Hz and delivers a power reserve of approximately 50 hours. The bespoke movement is wound via an offset 3N gold micro-rotor engraved with a hexagonal motif, and serves as a platform for future complications. Visible through the sapphire caseback, the movement is decorated with a high level of traditional finishing, including Côtes de Genève, perlage, and hand-executed anglage. The bridges and mainplate are arranged to evoke the topography of Geneva, with straight and curved Geneva stripes symbolising the city’s streets and Lake Léman, respectively. The transparent caseback itself— also asymmetrical— required the development of bespoke gaskets to maintain water resistance, underscoring the technical ambition behind the project.

Its perpetual calendar mechanism displays the day, date, month, leap year, and a highly precise moonphase, mechanically programmed to remain accurate for more than a century. Notably, the moonphase indication features a 135-tooth wheel— significantly more complex than conventional systems— allowing for smoother, near-continuous motion.

The 40 × 40mm case is crafted from Grade 5 titanium and consists of 33 components, combining lightness with structural rigidity. Measuring just 10mm in thickness and weighing only 97 grams, the watch underscores Gerald Charles’s focus on ergonomics through its proprietary Ergonteq design principles. The case integrates a screw-down crown with Clous de Paris finishing and is paired with a fully integrated titanium bracelet composed of 151 parts. Both case and bracelet feature a sophisticated interplay of finishes, including brushed, polished, and the brand’s proprietary Darkblast treatment, which enhances scratch resistance while delivering a distinctive matte, almost tactile surface. 

The dial architecture is defined by a three-counter layout. The indications are arranged across non-concentric sub dials, with a prominent display at 6 o’clock incorporating both the moonphase and a pointer date. Two distinct versions are offered at launch. The first features a two-level fumé dial in anthracite grey with vertical sunburst finishing and a gradient that darkens toward the periphery. The second adopts an open-worked sapphire dial, revealing the intricately finished movement beneath. In both versions, rhodium-plated baton hands with Superluminova ensure legibility. Price available upon request.