At Watches and Wonders this year, ArtyA turned heads with a world premiere – the brand presented the Complexity that featured two inclined tourbillons, called Cônillons, positioned at 12 and 6 o’clock and linked by a differential. Now for Geneva Watch Days, the brand has presented its métiers d’art version – the Complexity Métiers d’Art features extensive hand finishing throughout. It has been offered in both sapphire and pigeon-blood ruby versions.

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The dial is entirely hand-engraved on a finely sandblasted base, with individual burin-cut lines radiating from the centre. The applied indices feature hand-polished bevels, cabron-drawn flanks and sandblasted upper surfaces, allowing them to blend into the dial while maintaining sharply defined edges.

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Revisiting the unique Cônillon architecture, it follows a conical trajectory rather than a cylindrical one, helping compensate for gravitational effects across several vertical positions. The two regulators are positioned at 12 and 6 o’clock in an unprecedented configuration where none of the balance, cage, or lever axes is parallel. A differential distributes the barrel’s energy between them while averaging their rates, providing chronometric optimisation across 360 degrees. Each cage completes a rotation in 30 seconds, with the two rotating in offset directions, creating a constantly changing mechanical display. The construction is also designed to provide shock resistance exceeding that of mechanisms such as the gyrotourbillon.

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Driving this mechanism is the manually wound Complexity-01 calibre, a proprietary movement developed with Purtec Sàrl in Vallorbe. The Cônillon concept follows the work of multi-axis specialist Eric Coudray and has historical roots in the research of Andrew Holden Potter around 1860. The movement operates at 3 Hz, or 21,600 vibrations per hour, and provides a 50-hour power reserve.

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For this Métiers d’Art edition, virtually every movement surface receives hand decoration. Upper surfaces are hand shot-blasted, while lower surfaces are entirely hand-hammered to create maximum relief. Every angle is hand-bevelled and polished; the flanks are finished with a cabron buff, and the mainplate recesses are hand-perlaged around the differential. The centre bridge features a polished moulding that opens the view towards the differential, while a dedicated numbered Complexity plate is hand-engraved exclusively for this edition. The entire movement is black-rhodium-plated.

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The decoration varies component by component – the mainplate receives hand perlage, cabron-finished flanks, and laser-engraved jewel information; the minute-train bridge combines fine sandblasting, hand engraving, and bevelling; the barrel bridge receives hand hammering underneath, hand shot blasting on top, hand bevelling, a hand-engraved logo, cabron-finished flanks, and Swiss Made laser engraving; and the power-reserve bridge gets hand shot blasting and bevelling together with laser-engraved technical markings. The differential bridge is similarly hand-hammered, shot-blasted, and bevelled, while the numbered plate receives hand engraving, bevelling, and drawn strokes.

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The movement is enclosed in a case made entirely from a solid block of transparent synthetic sapphire. Measuring 42 mm x 48 mm x 13 mm, it features a triple-concave middle with sapphire domes at 12 and 6 o’clock that naturally magnify the two Cônillon cages. The faceted crown is also cut from crystal. Producing the case requires more than 120 hours of diamond machining and more than 140 hours of polishing. The movement itself measures 37.5 mm x 38.20 mm and 14.10 mm high at the Cônillon apex. The case comes flanked by an integrated rubber strap with an ArtyA folding clasp.

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Limited to just nine numbered pieces, the Complexity Métiers d’Art is available by order through ArtyA Genève and official retailers. It is priced at INR 2.25 Cr in sapphire and INR 2.60 Cr in pigeon-blood ruby.

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Images: ArtyA

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