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Roger Dubuis - Excalibur Spider Carbon

Roger Dubuis Excalibur Spider Carbon

Roger Dubuis ‘releases the beast’ at the SIHH 2017 with the world premiere Excalibur Spider Carbon.

The Excalibur Spider Carbon features a Spider-type skeletonised case with a DLC- treated crown, case-back and ‘container’, all made from titanium. The light yet sturdy material is teamed here with multi-layered carbon for the case, as well as vulcanized rubber on the container and red lacquer lighting up the bezel. Even more importantly, it introduces the first-ever movement plate, bridges and tourbillon upper-cage entirely made in carbon. The result is a mainplate and case forming a ‘chassis’ that is rendered even lighter by this choice of material.

The honeycomb dial decor inspired by automobile radiator grilles creates a perfect high-tech background against which to highlight this Calibre RD509SQ, an ‘Astral Skeleton’ flying tourbillon movement beating at a rate of 21,600 vibrations per hour and benefiting from a 70-hour power reserve.

Excalibur Spider CarbonSuch an amazing technical feat, further complicated by the skeletonised nature of the calibre, is made possible by the particularly rigid nature of this T700 carbon that results in less vibrations and enhanced precision. Its ultra-thin layered structure, achieved by a sophisticated impregnation process, results in a number of useful properties. These include a uniform structure enabling 8% lower porosity compared with most other types of carbon, along with a substantial 30% reduction in weight that facilitates the rota- tion of the tourbillon upper-cage. The 10°-angled layers applied to the calibre plate and bridges call for a sophisticated production process and are a fine example of dedicating technical expertise to serving aesthetics.

Their purpose is to reproduce the same motifs on the movement as those appearing on the case middle. Gripping the wrist (and the imagination) with its strap featuring a rubber base and red RubberTech fabric- like inlay, firmly secured by a DLC-coated titanium folding clasp, the Excalibur Spider Carbon is issued in a 28-piece limited edition.

Excalibur Spider Carbon

The brand

The Roger Dubuis Manufacture was founded on the desire for independence and watchmaking excellence. With remarkable dynamism, Roger Dubuis quickly ignited the world of Haute Horlogerie and has developed over thirty completely original in-house movements. Striking a fine balance between traditional watchmaking expertise and avant‑garde design, the Manufacture became a specialist in architectural skeletonised movements.

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