Side by side

Fortis Flieger F-39vsZelos Eagle 2

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
Eagle 2
ZelosEagle 2
MSRP $899

At a glance

9 of 29 specs differ
Diameter
Flieger F-3939mm
Eagle 239mm
Power Reserve
Flieger F-3938h
Eagle 240h
Water Resistance
Flieger F-39200m
Eagle 2100m
MSRP
Flieger F-39$2,530
Eagle 2$899

Full specifications

Case

4 specs
Thickness
11.5mm
11mm
Lug-to-Lug
46mm
39mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

3 specs
Caliber
Sellita SW200-1
La Joux-Perret G100
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$899

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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.

Zelos Eagle 2

Owners widely praise the Zelos Eagle 2's unique meteorite dial and titanium case, with one owner describing it as a "work of art" featuring a fully lumed dial and a scratch-resistant 1,200 Vickers hardness-coated case. The LaJoux Perret G100Soigne movement provides a 68-hour power reserve. Some owners, however, find the dial layout "ugly" and the font thick, while others note minor QC issues like misaligned markers. On balance, owners rate the Zelos Eagle 2 highly for its distinctive meteorite dial and titanium construction at its price point.

From video reviewers

The watch's compact size is a notable strength, with a 39mm diameter case and 11mm thickness making it suitable for a pilot's watch. A potential weakness is the lug-to-lug fit, which may be too large for smaller wrists. Reviewers disagree on the bezel, with one reviewer highlighting the Cerakote finish as a standout feature, while another mentions the watch's bezel in passing without comment.

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