Which is cheaper, the Fortis Stratoliner S-41 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

At MSRP the Hamilton Khaki Aviation X-Wind Day Date Auto is the cheaper of the two at $1,375, against $5,450 for the Fortis Stratoliner S-41 — a $4,075 gap before any retailer discounting.

Which is bigger, the Fortis Stratoliner S-41 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto wears larger at 45mm versus 41mm for the Fortis Stratoliner S-41 — a 4mm difference across the dial.

Which has better water resistance, the Fortis Stratoliner S-41 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Fortis Stratoliner S-41 is rated to 200m versus 100m for the Hamilton Khaki Aviation X-Wind Day Date Auto.

Which has a longer power reserve, the Fortis Stratoliner S-41 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto carries a 80-hour power reserve against 60 hours on the Fortis Stratoliner S-41.

What movement does the Fortis Stratoliner S-41 run compared to the Hamilton Khaki Aviation X-Wind Day Date Auto?

Both watches run automatic movements — the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17 and the Hamilton Khaki Aviation X-Wind Day Date Auto uses the H-30.

Side by side

Fortis Stratoliner S-41vsHamilton Khaki Aviation X-Wind Day Date Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Fortis Stratoliner S-41

S-41

MSRP $5,450

Hamilton Khaki Aviation X-Wind Day Date Auto

h77735560

MSRP $1,375

At a glance

11 of 29 specs differ

Diameter

Stratoliner S-4141mm

Khaki Aviation X-Wind Day Date Auto45mm

Power Reserve

Stratoliner S-4160h

Khaki Aviation X-Wind Day Date Auto80h

Water Resistance

Stratoliner S-41200m

Khaki Aviation X-Wind Day Date Auto100m

MSRP

Stratoliner S-41$5,450

Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

White

Green

Movement

3 specs

Caliber

Manufacture Caliber WERK 17

H-30

Power Reserve

60h

80h

Jewels

Pricing

1 specs

MSRP

$5,450

$1,375

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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.

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Hamilton Khaki Aviation X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

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