Side by side

Fortis Stratoliner S-41vsGruppo Gamma Field III

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
Field III
Gruppo GammaField III
MSRP $439

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Field III40mm
Power Reserve
Stratoliner S-4160h
Field III41h
Water Resistance
Stratoliner S-41200m
Field III200m
MSRP
Stratoliner S-41$5,450
Field III$439

Full specifications

Case

4 specs
Category
Chronograph
Field
Diameter
41mm
40mm
Lug-to-Lug
48.5mm
Lug Width
21mm
22mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Seiko Instruments NH38A
Power Reserve
60h
41h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$439

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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.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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