Seiko Prospex SpeedtimervsSternglas Tachymeter
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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

Tachymeter
Diameter
41.4mm
42mm
Lug-to-Lug
45.9mm
lowest
50mm
Thickness
13mm
10mm
lowest
Water Resistance
100m
highest
50m
MSRP
$750
$312
lowest
Movement
Seiko V192
Miyota OS20
Case
5 specsCrystal & Dial
4 specsMovement
3 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 beautiful dial colors, with specific mentions of ice blue and cream, and its vintage-inspired design. Some find the 39mm case size, which wears smaller than its 41.4mm specification due to short lugs, fits perfectly on smaller wrists. However, owners are split on value, with some considering it a beautiful and incredibly valuable watch, while others question the price for a solar quartz movement and find the 13mm thickness notable. One reviewer noted the lack of quick-release or micro-adjustment on the bracelet. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its striking dial designs and compact, vintage-inspired wearability.
The solar-powered chronograph movement is a key strength. The bracelet finishing is a potential area for improvement. Reviewers are split on whether the aesthetic successfully revives the spirit of the original "Pogue."
The Sternglas Tachymeter is praised for its sporty chronograph design and wrist presence, offering character without being an overt tool watch. Reviewers note an upscale design with a colored aluminum bezel insert and more colorful dial options compared to its predecessor. The watch is considered good value for its design, functionality, and small-brand cachet, with a charming youthfulness in its colorful dial options. One reviewer points out that the "orange" on one model appears yellow and suggests a tachymeter scale extending to 200 would be more useful than the current 500. Overall, owners and reviewers rate the Sternglas Tachymeter highly for its competitive price and appealing, youthful design.
The value at the moderate price point is a strength. The use of a meca-quartz movement is a weakness. Reviewers disagree on whether the meca-quartz movement is a drawback.
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