Side by side

Fortis Stratoliner S-41vsSpinnaker Cahill Automatic

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
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Cahill Automatic42mm
Power Reserve
Stratoliner S-4160h
Cahill Automatic40h
Water Resistance
Stratoliner S-41200m
Cahill Automatic200m
MSRP
Stratoliner S-41$5,450
Cahill Automatic$350

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
41mm
42mm
Thickness
14mm
13.7mm
Lug-to-Lug
51mm
Lug Width
21mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Green

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
SII NH35A
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$350

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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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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