Side by side

Fortis Flieger F-39vsHamilton Khaki Aviation Pilot Pioneer Mechanical 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

10 of 29 specs differ
Diameter
Flieger F-3939mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
Flieger F-3938h
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
Flieger F-39200m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
Flieger F-39$2,530
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

4 specs
Diameter
39mm
40mm
Thickness
11.5mm
14.35mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

4 specs
Caliber
Sellita SW200-1
H-51-Si
Type
Automatic
Manual
Power Reserve
38h
60h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$2,445

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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 Aviation Pilot Pioneer Mechanical Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

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