Side by side

Fortis Flieger F-43 BicompaxvsHamilton Khaki Aviation X-Wind Day Date Auto

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

Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180
Khaki Aviation X-Wind Day Date Auto
HamiltonKhaki Aviation X-Wind Day Date Auto
MSRP $1,375

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Khaki Aviation X-Wind Day Date Auto45mm
Power Reserve
Flieger F-43 Bicompax58h
Khaki Aviation X-Wind Day Date Auto80h
Water Resistance
Flieger F-43 Bicompax200m
Khaki Aviation X-Wind Day Date Auto100m
MSRP
Flieger F-43 Bicompax$4,180
Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

5 specs
Category
Chronograph
Pilot
Diameter
43mm
45mm
Thickness
14.5mm
12.8mm
Lug-to-Lug
46mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Original
Green

Movement

3 specs
Caliber
Sellita SW510 BH a
H-30
Power Reserve
58h
80h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$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 Flieger F-43 Bicompax

Owners widely praise the Fortis Original for its tool-watch aesthetic, legibility, and robust construction, with many noting excellent lume that lasts all night and precise day/date changes at midnight. The brushed stainless steel case is well-finished, and the 38mm size is considered comfortable and well-weighted despite being smaller than modern watches. Accuracy figures range from +2 seconds/day to +8 seconds/day, and some owners compare Fortis quality favorably to Omega. However, some users find the MSRP too high compared to brands like Sinn and Damasko, and one owner reported internal parts dislodging from a limited edition model. Concerns have also been raised about stripped lug screws on B-42 models and potential parts shortages due to past bankruptcy protection filings. Overall, owners rate the Fortis Original highly for its durable construction and tool-watch functionality at a competitive price point.

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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