Side by side

Fortis Stratoliner S-41vsGrand Seiko SLGB023

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
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

13 of 29 specs differ
Diameter
Stratoliner S-4141mm
SLGB02340.8mm
Power Reserve
Stratoliner S-4160h
SLGB02372h
Water Resistance
Stratoliner S-41200m
SLGB023300m
MSRP
Stratoliner S-41$5,450
SLGB023$12,400

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
41mm
40.8mm
Thickness
14mm
12.9mm
Lug-to-Lug
48.5mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
9RB1
Type
Automatic
Spring Drive
Power Reserve
60h
72h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$12,400

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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