Seiko Prospex SpeedtimervsStraton Classic Driver MKII
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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.

Prospex Speedtimer

Classic Driver MKII
Diameter
39mm
40mm
Lug-to-Lug
45.5mm
lowest
48mm
Thickness
13.3mm
12.5mm
lowest
Water Resistance
100m
200m
highest
MSRP
$725
$299
lowest
Movement
Seiko V192
Miyota 6S21
Case
5 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners appreciate the Straton Classic Driver MKII's panda dial, 40mm case size, sapphire crystal with anti-AR coating, and vintage font. Some owners find the bracelet's end link angle and fit subpar, and the overall finish feels comparable to a $275 watch. The watch wears slightly larger than other 40mm models, which was a concern for one owner with a smaller wrist. On balance, owners find the Straton Classic Driver MKII to be a step up from entry-level microbrands, with its design elements being a key draw.
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