Side by side

Fortis Stratoliner S-41vsWolbrook Skindiver II Professional

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

Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450
Skindiver II Professional
WolbrookSkindiver II Professional
MSRP $539

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Skindiver II Professional40mm
Power Reserve
Stratoliner S-4160h
Skindiver II Professional40h
Water Resistance
Stratoliner S-41200m
Skindiver II Professional200m
MSRP
Stratoliner S-41$5,450
Skindiver II Professional$539

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
41mm
40mm
Thickness
14mm
13mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
Black

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Miyota 9015
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$539

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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.

Fortis Stratoliner S-41

Owners widely praise the Fortis Stratoliner S-41 for its purpose-built design and outstanding details, particularly its space blue lume and bright orange date on the dial. Reviewers note the WERK 17 movement offers a 60-hour power reserve. However, the Fortis Stratoliner S-41's 41mm case thickness and lug-to-lug distance lead some to perceive it as wearing large, and the dial's small text and flat design are flagged as potential drawbacks. Overall, owners and reviewers highlight the Fortis Stratoliner S-41's unique design and innovative movement as its primary strengths.

Wolbrook Skindiver II Professional

Owners widely praise the Wolbrook Skindiver II Professional for its comfortable wearability, long-lasting lume, and attractive dial designs, with some appreciating the quartz accuracy and smooth sweeping second hand. The watch features a 40mm diameter, a well-weighted 120-click unidirectional countdown bezel with a BGW9 lumed triangle, and a shock-resistant HexapleX case architecture. It is powered by either a Miyota 9015 or 8315 movement, with the latter adjusted in France to ±15 seconds per day and offering a 60-hour power reserve. Some owners find the 20mm strap potentially problematic and note it wears like a 42mm watch despite its 40mm case size. One reviewer expressed disappointment in hand color matching, poor lume, bezel wobble, and the watch sitting high on its strap, ultimately not recommending it.

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