Side by side

Formex Reef 39.5 mmvsFormex Reef 42 mm

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

Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

5 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Reef 42 mm42mm
Power Reserve
Reef 39.5 mm56h
Reef 42 mm56h
Water Resistance
Reef 39.5 mm300m
Reef 42 mm300m
MSRP
Reef 39.5 mm$2,230
Reef 42 mm$2,414

Full specifications

Case

3 specs
Diameter
39.5mm
42mm
Thickness
11mm
11.4mm
Lug-to-Lug
45.5mm
47mm

Crystal & Dial

1 specs
Dial Color
Bahama Blue
Black

Pricing

1 specs
MSRP
$2,230
$2,414

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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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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