Side by side

Fortis Flieger F-43 BicompaxvsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt 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

At a glance

11 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
Flieger F-43 Bicompax58h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
Flieger F-43 Bicompax200m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
Flieger F-43 Bicompax$4,180
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

Full specifications

Case

6 specs
Category
Chronograph
Pilot
Diameter
43mm
42mm
Thickness
14.5mm
12.15mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Original
Black

Movement

3 specs
Caliber
Sellita SW510 BH a
H-40
Power Reserve
58h
80h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$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 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 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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