Side by side

Fortis Stratoliner S-41vsIslander Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

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 Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
IslanderIslander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Stratoliner S-4141mm
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-29137mm
Power Reserve
Stratoliner S-4160h
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
Water Resistance
Stratoliner S-41200m
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291200m
MSRP
Stratoliner S-41$5,450
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291$499

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
41mm
37mm
Thickness
14mm
11.7mm
Lug-to-Lug
0mm
Lug Width
21mm
20mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
White
Indices
Applied

Movement

4 specs
Caliber
Manufacture Caliber WERK 17
Miyota 90S5
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
0h
Jewels
36
0

Pricing

1 specs
MSRP
$5,450
$499

Follow this matchup

Get a note when Fortis Stratoliner S-41 vs Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 gets more votes, a community discussion, or a price drop. No account needed.

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 Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

The Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 is widely praised for its looks, build quality, and impressive specifications, including a high-beat Miyota 9015 movement with hacking and hand-winding, sapphire crystal, and 200m water resistance. Owners consider it excellent value, citing the finishing and comfortable fit. One owner notes the bright lume is fleeting. The watch is powered by a Miyota 9015 movement with a 40-hour power reserve. Overall, owners and reviewers rate the Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 highly for its exceptional value and robust specifications at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.