Kurono Tokyo Chronograph 1vsSeiko 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.

Chronograph 1

Prospex Speedtimer
Diameter
38mm
39mm
Lug-to-Lug
n/a
45.5mm
Thickness
13.9mm
13.3mm
lowest
Water Resistance
30m
100m
highest
Power Reserve
45h
n/a
MSRP
$3,900
$725
lowest
Movement
Seiko NE86
Seiko V192
Case
7 specsCrystal & Dial
5 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Kurono Tokyo Chronograph 1 for its beautiful and elegant design, offering a unique and dressier alternative to mainstream luxury chronographs. The dial is described as both busy and functional, with one owner highlighting the brand's design, quality, and price point hitting the mark within the microbrand space. However, some owners feel the dial finishing could be slightly better, and one notes the watch is considered too thick for its diameter, with a clear lacquer layer not as elevated as expected. Accuracy ranges from within -4/+6 seconds per day to gaining around 20-25 seconds per day off the wrist. Overall, owners and reviewers rate the Kurono Tokyo Chronograph 1 highly for its distinctive design and value proposition in the microbrand segment.
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.
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.
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