Atelier Wen x Massena LAB Inflection Shuo: Tantalum Case Meets Hand-Tremblage Gold Dial in 50-Piece Edition

Atelier Wen and Massena LAB team up for a 50-piece limited edition that pairs a 99.9% pure tantalum case and integrated bracelet with solid 18k gold, hand-tremblage dials bearing Arabic and hand-calligraphed Chinese numerals. Uncovered at Geneva Watch Days 2026, the Inflection Shuo runs a customised Girard-Perregaux GP03300 and opens orders at CHF 33,800.

Geneva, 26 August 2026 — Some collaborations read like a handshake between two very different watchmaking cultures. The new Atelier Wen Inflection Shuo, unveiled at Geneva Watch Days 2026 with New York’s Massena LAB, is more of a meeting of two obsessions: Atelier Wen’s decade-long pursuit of Chinese decorative arts executed with Swiss precision, and William Massena’s encyclopedic eye for the great designs of the 1960s and 1970s. The result is a 50-piece limited edition that wraps a solid-gold, hand-tremblage dial in a case and bracelet machined from 99.9% pure tantalum.

Atelier Wen Inflection Shuo tantalum integrated bracelet watch with solid gold dial presented at an angle
The Atelier Wen Inflection Shuo in its full-tantalum case and integrated bracelet.

Walk up to the table where the two versions sit side by side and the first thing you notice is the metal. Tantalum has a signature dark bluish-grey tone that photographs like slate but glows with a dense, almost liquid depth in person. It is also famously horrible to machine — hard, brittle, and prone to tearing rather than cutting cleanly. Atelier Wen leaned into that difficulty: the Inflection case is a study in curves, with a concave bezel, a ridged mid-case, and a bracelet whose links flow out of the lugs like a continuation of the architecture rather than an attachment to it. The silhouette borrows from Chinese architectural forms, the brand tells me, which makes sense once you see how the case sides step and taper.

Shuo: the name is the dial

Shuo means “sparkling” or “radiant” in Chinese, and the dials earn the name. The base is a solid 18k gold plate — white gold on one version, with the chapter elements picked out in rose gold on the other — finished by the hand of engraver Coralie Mercier of GT Cadrans in Switzerland. The texture is tremblage, that restless, fine-grained stippling made by letting a graver tremble across the surface, which catches the light from every angle with no two points reflecting identically. Over the tremblage sits a radially brushed gold sector ring, and the layout is a true California style: custom Arabic numerals above, hand-calligraphed Chinese numerals below, all filled in blue to match the blued, tri-planed leaf hands.

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Close-up of the hand-tremblage solid gold dial showing Arabic and hand-calligraphed Chinese numerals on the Atelier Wen Inflection Shuo
Hand tremblage and hand-calligraphed numerals on the Shuo dial, executed by GT Cadrans’ Coralie Mercier.

Details like this reward patience. The outer ring carries the same tremblage treatment and is framed by an engraved huiwen border — the classic Chinese fret motif, a meander that repeats and reverses around the dial’s edge. It is subtle enough to read as texture from a metre away and precise enough to hold your attention at loupe distance.

A Girard-Perregaux calibre, rethought

Inside beats a customised version of the Girard-Perregaux calibre GP03300, the self-winding workhorse that Atelier Wen already reworked for the standard Inflection. The bridges have been reshaped around sweeping curves inspired by wind motifs in historical Chinese painting, finished in dark grey ruthenium with anglage, and striped with laser-etched wave patterns radiating from the centre. The automatic rotor follows the same flowing theme and is plated in 5N rose gold. It runs at 28,800 vibrations per hour, holds about 48 hours of power reserve, and is adjusted in five positions and temperature. Haas, hacking seconds included.

Sapphire caseback view of the customised Girard-Perregaux GP03300 movement with rose gold plated wind-inspired rotor in the Atelier Wen Inflection Shuo
The GP03300 reworked with wind-inspired bridges and a 5N rose-gold rotor.

Bracelet engineering and the fine print

The integrated tantalum bracelet tapers from 22mm at the case to 18mm at the clasp, with brushed outer links and polished centres. The clasp hides a patent-pending four-position on-the-fly micro-adjustment system plus a telescopic deployant blade — the kind of wearability engineering that usually only appears further up the price ladder. Both crystals are double-domed sapphire with five layers of anti-reflective coating on each side, and water resistance sits at a genuinely usable 100 metres.

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Rose gold dial version of the Atelier Wen Inflection Shuo on the wrist showing the blue-filled numerals and tantalum bracelet
The rose-gold dial version on the wrist; note the tapered tantalum bracelet.

Of the 50 pieces, ten white-gold-dial models are reserved for established clients of either house, and 40 rose-gold versions are open to the public. Orders opened on 26 August 2026 through Atelier Wen and Massena LAB, with deliveries beginning in early 2027. The price: CHF 33,800 excluding taxes.

For a brand whose earlier collaborations have already made collectors sit up, this feels like the moment exotic case materials stop being a talking point and become the point. Atelier Wen has spent years proving that Chinese decorative traditions — guilloché, lacquer, calligraphy — belong in serious Swiss watchmaking; the Shuo simply states the case in a metal most manufacturers won’t even attempt.

Specifications

Reference Atelier Wen x Massena LAB Inflection Shuo (limited edition, 50 pieces)
Case 99.9% pure tantalum, 40mm diameter, 10.2mm thick, 45mm lug-to-lug
Case Features Concave bezel, ridged mid-case, screw-down crown (tantalum on white-gold version, solid 5N rose gold on rose-gold version)
Crystals Double-domed sapphire front and back, five layers of AR coating each
Water Resistance 100 metres
Dial Solid 18k gold base plate with hand tremblage and hand-engraved numerals by Coralie Mercier (GT Cadrans); radially brushed gold sector; California layout with Arabic and hand-calligraphed Chinese numerals; blue-filled numerals; engraved huiwen border
Hands Blued, tri-planed, voluminous leaf-shaped hands
Movement Customised Girard-Perregaux calibre GP03300, automatic, 27 jewels, 28,800 vph
Power Reserve Approximately 48 hours
Adjustment Five positions and temperature; hacking seconds
Decoration Dark grey ruthenium bridges with anglage, laser-etched wave stripes, 5N rose gold-plated wind-inspired rotor
Bracelet Integrated tantalum, 22mm at case tapering to 18mm, brushed outer links, polished centres; patent-pending four-position on-the-fly micro-adjustment, telescopic deployant blade, quick-release
Availability 10 white-gold dials reserved for established clients; 40 rose-gold dials public. Orders open 26 August 2026, deliveries early 2027
Price CHF 33,800 (excl. taxes)
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Another angle worth your time: our guides to power reserve and watch crystal materials put the numbers in the table above in context, while bracelet and strap comfort explains why that on-the-fly micro-adjustment matters more than it sounds.

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Kukuh Nova Putra

Starting with a digital Casio at age seven, I now explore mechanical horology as the Founder of Horologyne.com and Director of NesiaWatches.com.

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