Side by side

Fortis Stratoliner S-41vsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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 Pioneer Mechanical Chrono40mm
Power Reserve
Stratoliner S-4160h
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
Stratoliner S-41200m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
Stratoliner S-41$5,450
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

6 specs
Category
Chronograph
Pilot
Diameter
41mm
40mm
Thickness
14mm
14.35mm
Lug-to-Lug
46mm
Lug Width
21mm
22mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
H-51-Si
Type
Automatic
Manual
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$2,445

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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 Pioneer Mechanical Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

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