Nezumi Studios CorbeauvsUndone Tachikoma
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Corbeau

Tachikoma
Diameter
40mm
41.8mm
Lug-to-Lug
47mm
n/a
Thickness
12.8mm
12.7mm
lowest
Water Resistance
50m
100m
highest
MSRP
$423
$320
lowest
Movement
Seiko VK63
Seiko VK63
Case
5 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Nezumi Studios Corbeau for its retro, mil-spec-inspired design, vibrant color palette, and comfortable 40mm wearability, noting the solid build and good fit and finish for the price. Reviewers and owners alike appreciate the reliable Seiko VK63 meca-quartz movement and the watch's value. Some owners find the 50m water resistance a limitation, and one owner criticized the chronograph hand's reset position being off by four minutes. On balance, the Nezumi Studios Corbeau is highly regarded by owners and reviewers for its fun, retro aesthetic and excellent value.
The Nezumi Corbeau V2 features an improved dial and handset. Reviewers noted a desire for brighter lume and increased water resistance.
Owners widely report the Undone Tachikoma is a great purchase at its price point. However, some commenters feel the design lacks detailed anime references and find the price too high for an IP collaboration without a recognized watch brand. Overall, owners rate the Undone Tachikoma highly for its value, though opinions are split on its visual connection to the anime.
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