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Atelier Wen Inflection Shuo (x Massena LAB)

The Atelier Wen Inflection Shuo (x Massena LAB) is a 40 mm tantalum integrated-bracelet sports watch with a Girard-Perregaux GP03300 automatic movement.

All Atelier Wen watchesIntegrated-bracelet watchesUnder 11 mm thickMicro-adjust braceletDisplay back
Price
$44,100
Material
Tantalum
Grade / type
Tantalum (99.9%)
Water resistance
100 m
Type
Integrated bracelet
Case diameter
40.0 mm
Thickness
10.2 mm
Lug-to-lug
45 mm
Origin
France
Movement
Automatic, customised, hacking seconds, 27 jewels, 28,800 vph
Caliber
Girard-Perregaux GP03300
Power reserve
48 hours
Complications
Time only
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Tantalum (full display, domed sapphire window)
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
99.9% tantalum integrated bracelet with quick release, 22 mm tapering to 18 mm, or an FKM sailcloth strap in blue or grey at the same price
Matching bracelet
Optional (or strap)
Micro-adjust clasp
Yes
Crystal
Double-domed sapphire box crystal with five layers of antireflective coating
Display back
Yes
Dial
Solid 18k gold, hand tremblage with hand-engraved and hand-calligraphed numerals
Dial colours
Gold
Availability
Offered
Status
Limited edition of 50, orders opened 2026-08-26, delivery January to April 2027
Not published
Reference, Weight, Hardness, Surface treatment, Lume
High confidence Verified Aug 2026 Source: Atelier Wen (maker product page) / Monochrome (introducing, price) / Fratello (hands-on, 2026-09-26)
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Atelier Wen Inflection Shuo (x Massena LAB) made of?

The case is tantalum (99.9%). That is confirmed against the maker's specification. The caseback is tantalum (full display, domed sapphire window).

What size is the Atelier Wen Inflection Shuo (x Massena LAB)?

The case is 40 mm across, 10.2 mm thick and 45 mm from lug to lug. It is water resistant to 100 m.

How much does the Atelier Wen Inflection Shuo (x Massena LAB) cost, and is it available?

It is in production, at a list price of $44,100.

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