Side by side

Fortis Flieger F-39vsHamilton Khaki Field Auto Chrono

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

Flieger F-39
FortisFlieger F-39
MSRP $2,530
Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175

At a glance

8 of 29 specs differ
Diameter
Flieger F-3939mm
Khaki Field Auto Chrono42mm
Power Reserve
Flieger F-3938h
Khaki Field Auto Chrono60h
Water Resistance
Flieger F-39200m
Khaki Field Auto Chrono100m
MSRP
Flieger F-39$2,530
Khaki Field Auto Chrono$2,175

Full specifications

Case

4 specs
Category
Pilot
Chronograph
Diameter
39mm
42mm
Thickness
11.5mm
14.5mm
Water Resistance
200m
100m

Movement

3 specs
Caliber
Sellita SW200-1
H-21
Power Reserve
38h
60h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$2,175

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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-39

Owners and reviewers widely praise the Fortis Flieger F-39 for its robust build quality, excellent finishing often compared favorably to more expensive watches, and legible utilitarian dial with distinctive color accents. The watch is noted for its precise bidirectional bezel action, excellent lume, and comfortable wearability, with one owner reporting accuracy of 1 second fast per day. Some reviewers flag the 39mm case as wearing large due to its lug-to-lug distance, and the 38-hour power reserve of the Sellita SW 200-1 based UW-30 movement is cited as a limitation, though newer versions feature a 70-hour power reserve. Overall, owners and reviewers highly regard the Fortis Flieger F-39 for its tool watch aesthetic and impressive machining and build quality at its price point.

From video reviewers

The 200m water resistance is a notable strength. Reviewers did not reach a consensus on any weaknesses.

Hamilton Khaki Field Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

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