BOLDR Supply Co. Odyssey Regatta AdmiralvsSeiko Prospex Speedtimer Mechanical Chronograph
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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.

Odyssey Regatta Admiral

Prospex Speedtimer Mechanical Chronograph
Diameter
45.5mm
42mm
Lug-to-Lug
52mm
49.5mm
lowest
Thickness
16mm
14.6mm
lowest
Water Resistance
500m
highest
100m
Power Reserve
n/a
45h
MSRP
$1,499
lowest
$2,500
Movement
Valjoux 7750
Seiko 8R48
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.
The BOLDR Supply Co. Odyssey Regatta Admiral Blue is praised for its utilitarian design, robust functionality, and excellent legibility, with its Super-LumiNova lume and firm, satisfying 60-click bi-directional bezel action noted positively. Owners report the Odyssey line feels quality, and the watch is presented as a complete kit with extra straps, offering significant value at its retail price. However, the 45.5mm case size and 18.2mm thickness are considered huge and may be overwhelming for some wrists. On balance, owners and reviewers rate the BOLDR Supply Co. Odyssey Regatta Admiral Blue highly for its value and robust tool watch capabilities, despite concerns about its substantial size.
The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design and clean, balanced dial layout, enhanced by an external tachymeter bezel. Reviewers note the adequate caliber 8R48 movement, which features a vertical clutch and column wheel with MEMS technology for durability and precision. The refined bracelet offers improved comfort, and the overall package is considered good value for a well-designed chronograph with an in-house movement. Points to consider include the 4:30 date window and a thickness of 14.6mm, while the 45-hour power reserve is an area for potential improvement. On balance, reviewers rate the Seiko Prospex SPEEDTIMER Mechanical Chronograph highly for its attractive design and solid chronograph functionality at its price point.
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