Side by side

Fortis Stratoliner S-41vsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

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

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
Stratoliner S-4160h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
Stratoliner S-41200m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
Stratoliner S-41$5,450
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

Full specifications

Case

6 specs
Category
Chronograph
Pilot
Diameter
41mm
42mm
Thickness
14mm
12.15mm
Lug-to-Lug
46mm
Lug Width
21mm
20mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
H-40
Power Reserve
60h
80h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$1,075

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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.

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

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