Side by side

Fortis Stratoliner S-41vsMarathon GPQ (General Purpose Quartz) Field Watch

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
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

14 of 29 specs differ
Diameter
Stratoliner S-4141mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Stratoliner S-4160h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Stratoliner S-41200m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Stratoliner S-41$5,450
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Chronograph
Field
Diameter
41mm
34mm
Thickness
14mm
11.5mm
Lug-to-Lug
41mm
Lug Width
21mm
16mm
Material
Stainless Steel
Fibreshell Composite
Water Resistance
200m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic
Dial Color
White
Black

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$420

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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.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

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