Boldr Odyssey FreedivervsFormex Reef 39.5 mm
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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 Freediver

Reef 39.5 mm
Diameter
40mm
39.5mm
Lug-to-Lug
48mm
45.5mm
lowest
Thickness
14.2mm
11mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
56h
MSRP
$649
lowest
$2,230
Movement
Automatic
Sellita SW300-1
Case
4 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Boldr Odyssey Freediver is praised for its 40mm bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers highlight the fresh dial colors with strong legibility, applied details, and a vintage-inspired date window. One review notes a 44mm case size with a brushed finish and polished bevels, angular lugs, and 300m water resistance. On balance, reviewers appreciate the Odyssey Freediver's thoughtful case finishing and dial design.
The 40mm case size is praised for its comfortable wearability. Reviewers noted the unique meteorite dial as a standout feature. No shared weaknesses or points of disagreement were found.
The Formex Reef 39.5 mm is widely praised for its refined finishing, improved proportions, and compelling value under €2,000. Owners and reviewers highlight its comfortable wearability on smaller wrists, unique aesthetic, and impressive specifications including 300m water resistance and a COSC-certified Sellita SW300-1 movement. Some note the 22mm lug width feels slightly disproportionate and the bracelet could benefit from more taper. A prototype crown protrusion issue is expected to be resolved in production. Overall, owners rate the Formex Reef 39.5 mm highly for its excellent build quality and tool-like features at its price point.
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