Side by side

Fortis Flieger F-39vsGruppo Gamma Field III

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
Field III
Gruppo GammaField III
MSRP $439

At a glance

11 of 29 specs differ
Diameter
Flieger F-3939mm
Field III40mm
Power Reserve
Flieger F-3938h
Field III41h
Water Resistance
Flieger F-39200m
Field III200m
MSRP
Flieger F-39$2,530
Field III$439

Full specifications

Case

5 specs
Category
Pilot
Field
Diameter
39mm
40mm
Thickness
11.5mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW200-1
Seiko Instruments NH38A
Power Reserve
38h
41h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$439

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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.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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