Side by side

Fortis Flieger F-39 Werk 7vsPraesidus Jungle Field A-11 JFA

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

Flieger F-39 Werk 7
FortisFlieger F-39 Werk 7
MSRP $4,510
Jungle Field A-11 JFA
PraesidusJungle Field A-11 JFA
MSRP $550

At a glance

13 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
Jungle Field A-11 JFA34mm
Power Reserve
Flieger F-39 Werk 738h
Jungle Field A-11 JFA40h
Water Resistance
Flieger F-39 Werk 7200m
Jungle Field A-11 JFA50m
MSRP
Flieger F-39 Werk 7$4,510
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
Werk 7 (Manufacture)
TMI VH-31 Meca-Quartz
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$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 Werk 7

The Fortis Flieger is widely praised for its superb readability, robust build quality, and phenomenal fit and finish, with reviewers noting the practical Type-A dial and utilitarian design. The F-39 models are noted to wear large due to their lug-to-lug distance, and the UW-30 movement offers a 38-hour power reserve, while other variants feature a 70-hour power reserve. On balance, reviewers highlight the Fortis Flieger's modern, stylish take on pilot's watches, balancing legibility with unique aesthetics.

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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