Side by side

Fortis Flieger F-39vsHamilton American Classic Spirit of Liberty 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

At a glance

9 of 29 specs differ
Diameter
Flieger F-3939mm
American Classic Spirit of Liberty Auto Chrono42mm
Power Reserve
Flieger F-3938h
American Classic Spirit of Liberty Auto Chrono40h
Water Resistance
Flieger F-39200m
American Classic Spirit of Liberty Auto Chrono50m
MSRP
Flieger F-39$2,530
American Classic Spirit of Liberty Auto Chrono$2,225

Full specifications

Case

5 specs
Category
Pilot
Chronograph
Diameter
39mm
42mm
Thickness
11.5mm
14.75mm
Lug Width
20mm
22mm
Water Resistance
200m
50m

Movement

3 specs
Caliber
Sellita SW200-1
H-21
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$2,225

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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 American Classic Spirit of Liberty Auto Chrono

Owners widely praise the Hamilton American Classic Spirit of Liberty Auto Chrono for its impressive craftsmanship, details, and overall finish, noting sharp edges on the mixed brushed and polished lugs that give it a premium look and a refined yet bold presence. The watch offers an improved 60-hour power reserve and increased precision. However, its pushers are noted as being chunky. On balance, owners rate the Hamilton American Classic Spirit of Liberty Auto Chrono highly for its premium finishing and refined presence on the wrist.

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