Side by side

Atelier Wen Millésime 2025 — Perception 漩 (Xuán)vsMassena LAB Uni-Racer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Millésime 2025 — Perception 漩 (Xuán)
Atelier WenMillésime 2025 — Perception 漩 (Xuán)
MSRP $28,000
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

14 of 29 specs differ
Diameter
Millésime 2025 — Perception 漩 (Xuán)38.5mm
Uni-Racer39mm
Power Reserve
Millésime 2025 — Perception 漩 (Xuán)40h
Uni-Racer58h
Water Resistance
Millésime 2025 — Perception 漩 (Xuán)50m
Uni-Racer50m
MSRP
Millésime 2025 — Perception 漩 (Xuán)$28,000
Uni-Racer$3,495

Full specifications

Case

5 specs
Category
Dress
Chronograph
Diameter
38.5mm
39mm
Thickness
9mm
Lug-to-Lug
46mm
Lug Width
19mm
20mm

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Inner
No
Dial Color
Xuán
White

Movement

4 specs
Caliber
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
40h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$28,000
$3,495

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Atelier Wen Millésime 2025 — Perception 漩 (Xuán)

Owners widely praise the Atelier Wen Perception's pietersite dial for its captivating color shifts and its thin 9.4mm profile. However, community feedback flags issues with the finishing, citing chipped or jagged indices, unchamfered case edges, and sunken indices. Some owners also find the movement unremarkable for the price point, and opinions on the bracelet finishing are mixed, with some noting it as mid-tier compared to higher-end brands, though later batches reportedly show improvements. On balance, owners are divided on the Atelier Wen Perception, with strong opinions on both its striking dial and its inconsistent finishing.

From video reviewers

The pietersite dial is a standout aesthetic feature, and the watch is constructed from 904L steel. The slim 9.4mm profile was noted.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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