Side by side

Formex Reef 39.5 mmvsWolbrook Skindiver Automatic

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
Skindiver Automatic
WolbrookSkindiver Automatic
MSRP $549

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Skindiver Automatic38mm
Power Reserve
Reef 39.5 mm56h
Skindiver Automatic40h
Water Resistance
Reef 39.5 mm300m
Skindiver Automatic200m
MSRP
Reef 39.5 mm$2,230
Skindiver Automatic$549

Full specifications

Case

6 specs
Diameter
39.5mm
38mm
Thickness
11mm
12mm
Lug-to-Lug
45.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Bahama Blue
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Miyota 9039
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$549

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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.

Wolbrook Skindiver Automatic

Owners widely praise the Wolbrook Skindiver Automatic 38mm for its vintage-inspired design, compact 38mm size, and tool-like aesthetic, offering good value for its price. The watch features ridiculously bright and long-lasting lume, a clean dial, and a Miyota 9039 no-date movement. Some owners find the push-pull crown a drawback, while others note the clasp and some bracelet links can feel sharp. Opinions are split on the bracelet design, with some finding it confusing and others praising its articulation and micro-adjustments. One owner found the 40mm case felt larger than expected. Overall, owners rate the Wolbrook Skindiver Automatic 38mm highly for its vintage aesthetic and tool-watch appeal at a reasonable price.

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