Roger Dubuis announced two big motorsports partnerships in 2017, both with iconic Italian brands — one with Pirelli, renowned manufacturer of racecar tires; the other with racing team Lamborghini Squadra Corse. Ahead of this January’s SIHH watch salon, the Geneva-based brand has revealed the latest new timepieces springing from these automotive alliances: the Excalibur Spider Pirelli Automatic Skeleton and Excalibur Aventador S.
The newest edition of the Roger Dubuis Excalibur Spider Pirelli Automatic Skeleton — following up the red, blue, and yellow-highlighted models introduced earlier this year — is designed to evoke the look of racetrack tarmac with its black DLC titanium case and white highlights, including the numerals on the bezel and the contrast stitching on the strap. The 48-mm case features the fluted bezel emblematic of the Excalibur collection and the overmolded black DLC crown with white rubber coating, along with the triple openworked lugs that anchor the watch to its bi-material strap — here, as on preceding Pirelli models, boasting an exterior surface constructed of rubber from actual Pirelli tire rubber from race-winning cars over an interior layer made of a softer rubber enhanced with a Pirelli tire tread pattern.
The skeletonized movement, Caliber RD820SQ, is designed from scratch (as opposed to being an existing movement skeletonized after the fact) and incorporates the now-familiar “star” motif seen in all the Spider models, with the tips of the five-pointed star also serving as hour pointers. It’s powered by a micro-rotor that delivers winding power (and a 60-hour power reserve) equivalent to that of a larger central winding rotor despite its reduced weight and openworked structure. Composed of 166 meticulously hand-finished components, including NAC-coated plates and bridges, the movement has been awarded the prestigious Geneva quality hallmark, the Poinçon de Genève — a distinction shared by all Roger Dubuis movements. The watch will be a limited edition of 88 pieces.
Named after Lamborghini’s flagship high-performance roadster, the Excalibur Aventador S is now offered in a new case measuring 45 mm in diameter and combining a multilayer carbon and titanium middle and back with a notched Excalibur bezel made of rose gold. Like its predecessors in the brand’s recently launched Lamborghini series, it is outfitted with a highly skeletonized movement that takes design cues from an Aventador S engine. Rose gold is also used for the hour indices, while the hands are made of black-coated gold with luminous SLN-filled tips. The rose-gold crown is overmolded in black rubber.
The hand-wound movement, on display through sapphire crystals in the front and back of the watch, is made up of 313 components, including 48 jewels, and features a double sprung balance and power reserve of 40 hours. It is, of course, also certified with the Poincon de Geneve. This watch is also mounted on a bi-material strap with a quick-release system for easy changeability; here the materials are a black rubber base and an inlay made of Alcantara, the same material used in the cockpit seats of Lamborghi cars. The strap closes with a black DLC-coated titanium folding buckle. The Aventador S with rose-gold bezel is limited to 28 pieces. Prices for these and the rest of Roger Dubuis’s 2018 releases are expected to be announced at SIHH.