Side by side

Fortis Flieger F-39vsPraesidus Jungle Field A-11 JFA

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
Jungle Field A-11 JFA
PraesidusJungle Field A-11 JFA
MSRP $550

At a glance

13 of 29 specs differ
Diameter
Flieger F-3939mm
Jungle Field A-11 JFA34mm
Power Reserve
Flieger F-3938h
Jungle Field A-11 JFA40h
Water Resistance
Flieger F-39200m
Jungle Field A-11 JFA50m
MSRP
Flieger F-39$2,530
Jungle Field A-11 JFA$550

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
39mm
34mm
Thickness
11.5mm
Lug-to-Lug
46mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Black
Dark Brown Leather

Movement

4 specs
Caliber
Sellita SW200-1
TMI VH-31 Meca-Quartz
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$550

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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.

Praesidus Jungle Field A-11 JFA

The Praesidus Jungle Field A-11 JFA is praised for its modern interpretation of a classic military field watch, featuring a 38mm sandblasted case, double-domed sapphire crystal, and 100m water resistance. It is powered by a Miyota 9039 movement with a 42-hour power reserve, and its accuracy is rated at -10/+30 seconds per day, though reviewers note it often runs more accurately in practice. The watch presents a no-nonsense dial with vintage-style lume and Arabic numerals, retailing for $550. On balance, reviewers find the Praesidus Jungle Field A-11 JFA offers vintage charm and solid specifications at its price point.

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