Side by side

Fortis Flieger F-43 BicompaxvsHamilton Khaki Aviation X-Wind Auto chrono

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 Auto chrono
HamiltonKhaki Aviation X-Wind Auto chrono
MSRP $2,095

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Khaki Aviation X-Wind Auto chrono44mm
Power Reserve
Flieger F-43 Bicompax58h
Khaki Aviation X-Wind Auto chrono60h
Water Resistance
Flieger F-43 Bicompax200m
Khaki Aviation X-Wind Auto chrono100m
MSRP
Flieger F-43 Bicompax$4,180
Khaki Aviation X-Wind Auto chrono$2,095

Full specifications

Case

5 specs
Category
Chronograph
Pilot
Diameter
43mm
44mm
Thickness
14.5mm
15.6mm
Lug-to-Lug
46mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Original
Blue

Movement

3 specs
Caliber
Sellita SW510 BH a
H-21
Power Reserve
58h
60h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$2,095

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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 Auto chrono

Owners widely praise the Hamilton Khaki Aviation X-Wind Auto chrono for its good quality for the price and versatility with straps. Reviewers highlight its unique drift angle calculator function as a horological curio and legitimate navigational tool, noting its modified Valjoux 7750 movement provides a 60-hour power reserve. Some owners find the busy dial and left-handed crown/pusher setup unusual, and its lume could be stronger, while others consider it a heavy travel watch with features not useful for everyday use. On balance, owners and reviewers rate the Hamilton Khaki Aviation X-Wind Auto chrono highly for its functionality and build quality at its price point.

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