Side by side

Boldr Odyssey BronzevsFormex Reef GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

11 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
Reef GMT42mm
Power Reserve
Odyssey Bronze40h
Reef GMT56h
Water Resistance
Odyssey Bronze500m
Reef GMT300m
MSRP
Odyssey Bronze$649
Reef GMT$2,235

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
45.5mm
42mm
Thickness
16.8mm
11.4mm
Lug-to-Lug
52mm
47mm
Material
Bronze
Stainless Steel
Water Resistance
500m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Auburn
Black

Movement

2 specs
Caliber
Seiko NH35
Sellita SW330-2
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$649
$2,235

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Boldr Odyssey Bronze

The Boldr Odyssey Bronze is widely praised for its robust, ship-like aesthetic and substantial feel, with its meteorite dial and OEM Horween strap highlighted as unique features. Owners feel the style, fit, finish, and specifications compensate for criticisms regarding the movements used at its price point. On balance, owners rate the Boldr Odyssey Bronze highly for its distinctive aesthetic and quality finishing.

From video reviewers

The 500m water resistance and Lumicast lume are standout features. The 45mm+ case size is a drawback for some wrists.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

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