Boldr Odyssey 40mmvsZelos Mako 4
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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 40mm

Mako 4
Diameter
40mm
40mm
Lug-to-Lug
48mm
n/a
Thickness
12.5mm
12.2mm
lowest
Water Resistance
300m
300m
Power Reserve
42h
n/a
MSRP
$799
$599
lowest
Movement
Miyota 9075
Miyota 9015
Case
3 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise Boldr for impressive specifications and value, with one owner noting the Odyssey Black Dragonfish has superior specs and movement compared to other models. A separate owner finds the Venture to be an exceptional value and versatile with strap changes. However, one owner feels the Venture's size is borderline for an 8-inch wrist. Overall, owners rate Boldr highly for its value and specifications.
Owners widely praise Zelos' dial finishing, with specific admiration for blued markers and hands, and the unique titanium bezel insert. Reviewers highlight the Mako 4's impressive case finishing and fully lumed ceramic bezel for its price point, noting the boxed sapphire crystal and wavy dial texture contribute to a vintage feel. The Sellita SW200 movement is described as reliable, with one owner reporting accuracy of -0.3 seconds per day. However, the crown can be difficult to grip, and the winding mechanism offers resistance when screwing down, while the watch's height may hinder wearability under a suit cuff. The tropic rubber strap is considered excellent, in contrast to a stiff leather option. On balance, owners and reviewers rate the Zelos Mako 4 highly for its exceptional dial and case finishing at its price point.
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