Side by side

Fortis Stratoliner S-41vsStudio Underd0g Steffany Blue

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
Steffany Blue
Studio Underd0gSteffany Blue
MSRP $800

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Steffany Blue39.5mm
Power Reserve
Stratoliner S-4160h
Steffany Blue40h
Water Resistance
Stratoliner S-41200m
Steffany Blue
MSRP
Stratoliner S-41$5,450
Steffany Blue$800

Full specifications

Case

5 specs
Category
Chronograph
Casual
Diameter
41mm
39.5mm
Thickness
14mm
Lug Width
21mm
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
Type
Automatic
Manual
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$800

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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.

Studio Underd0g Steffany Blue

Owners widely praise the Studio Underd0g Steffany Blue for its beautiful multilayer dial with a floating effect and vivid Super-LumiNova, with one owner finding it smaller and more beautiful than expected. The 37mm case wears nicely, though some find it slightly small for larger wrists. One owner notes the power reserve can fall short of the advertised 48 hours, sometimes lasting only about a day. Overall, owners rate the Studio Underd0g Steffany Blue highly for its striking dial and luminous display.

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