Nezumi Studios CorbeauvsSeiko Prospex Speedtimer

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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.

Nezumi Studios Corbeau at true scale

Corbeau

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Diameter

40mm

39mm

Lug-to-Lug

47mm

45.5mm

lowest

Thickness

12.8mm

lowest

13.3mm

Water Resistance

50m

100m

highest

MSRP

$423

lowest

$725

Movement

Seiko VK63

Seiko V192

Case

4 specs
Diameter
40mm
39mm
Thickness
12.75mm
13.3mm
Lug-to-Lug
47mm
45.5mm
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko VK63
Seiko V192
Type
Meca-Quartz
Quartz
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$423
$725
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Reviews

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

Nezumi Studios Corbeau

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.

From video reviewers

The Nezumi Corbeau V2 features an improved dial and handset. Reviewers noted a desire for brighter lume and increased water resistance.

Seiko Prospex Speedtimer

Owners widely praise the Seiko Prospex SPEEDTIMER for its vintage-inspired design and versatility as an everyday watch. Some owners find the 39mm case size comfortable and well-suited for active use. Reviewers note the solar-powered V192 movement offers a six-month power reserve. Criticisms include the watch's thickness, which some find to be between 13-15mm, and the 24-hour subdial. The price point is a recurring point of contention, with some owners questioning the value for a solar quartz chronograph. On balance, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and attractive watch, with its design being the most frequently cited positive attribute.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.