Side by side

Fortis Flieger F-39vsSternglas Naos XL Automatik

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
Naos XL Automatik
SternglasNaos XL Automatik
MSRP $463

At a glance

11 of 29 specs differ
Diameter
Flieger F-3939mm
Naos XL Automatik42mm
Power Reserve
Flieger F-3938h
Naos XL Automatik
Water Resistance
Flieger F-39200m
Naos XL Automatik50m
MSRP
Flieger F-39$2,530
Naos XL Automatik$463

Full specifications

Case

5 specs
Category
Pilot
Sport
Diameter
39mm
42mm
Thickness
11.5mm
12mm
Lug-to-Lug
46mm
47mm
Water Resistance
200m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Luminova

Movement

3 specs
Caliber
Sellita SW200-1
Miyota 8215
Power Reserve
38h
Jewels
26

Pricing

1 specs
MSRP
$2,530
$463

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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.

Sternglas Naos XL Automatik

Owners widely praise the Sternglas Naos XL Automatik as an amazing and best affordable automatic Bauhaus watch for its price. However, some owners find the 42mm case size too large, with one describing it as resembling a "flying saucer" on a 7.25-inch wrist, and another noting its unsuitability for a predominantly white dial. The Miyota movement is described as just okay. Overall, owners rate the Sternglas Naos XL Automatik highly for its value proposition as an affordable Bauhaus automatic.

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