Side by side

Fortis Stratoliner S-41vsIslander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

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
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
IslanderIslander JFK Automatic GMT Watch with Batman Dial #ISL-338
MSRP $429

At a glance

16 of 29 specs differ
Diameter
Stratoliner S-4141mm
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Power Reserve
Stratoliner S-4160h
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
Water Resistance
Stratoliner S-41200m
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
MSRP
Stratoliner S-41$5,450
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
41mm
42mm
Thickness
14mm
14.5mm
Lug-to-Lug
47.8mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
White
Indices
Applied

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
0h
Jewels
36
0

Pricing

1 specs
MSRP
$5,450
$429

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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.

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

Owners widely praise the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 for its attractive dial texture and Pepsi bezel, with some finding the gold-tone accents and overall aesthetic to be a standout feature. The watch is also noted for its comfortable wearability and a useful GMT function, making it a popular choice for daily wear and vacations, further supported by its 200m water resistance. On balance, owners rate the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 highly for its visually appealing design and practical features at its price point.

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