Side by side

Fortis Flieger F-39vsZelos Skyraider 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
Skyraider 2
ZelosSkyraider 2
MSRP $2,399

At a glance

13 of 29 specs differ
Diameter
Flieger F-3939mm
Skyraider 242mm
Power Reserve
Flieger F-3938h
Skyraider 240h
Water Resistance
Flieger F-39200m
Skyraider 250m
MSRP
Flieger F-39$2,530
Skyraider 2$2,399

Full specifications

Case

7 specs
Category
Pilot
Skeleton
Diameter
39mm
42mm
Thickness
11.5mm
10.5mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
Mokume Gane
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Black
Mokume

Movement

4 specs
Caliber
Sellita SW200-1
ETA 6498-1 Élaboré
Type
Automatic
Manual
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$2,399

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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 Skyraider 2

The Zelos Skyraider 2 is praised for its value, particularly offering unique dial materials like meteorite at a fraction of luxury prices, and its bronze case is noted for a warm glow. Reviewers and owners highlight the Flieger-inspired design and the use of a manual-wind ETA 6498 movement, with BGW9 and C3 Super-LumiNova lume. Some owners find the skeletonized variant ideal for style over everyday legibility, while others note the brand's past designs have sometimes been hard to read or bulky. The Zelos Skyraider 2 is available in various materials and dial options, with prices ranging from $699 to $1,399. On balance, owners and reviewers rate the Zelos Skyraider 2 highly for its distinctive materials and design at a competitive price point.

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