Side by side

Fortis Flieger F-39vsLorier Hydra SIII

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
Hydra SIII
LorierHydra SIII
MSRP $699

At a glance

8 of 29 specs differ
Diameter
Flieger F-3939mm
Hydra SIII39mm
Power Reserve
Flieger F-3938h
Hydra SIII40h
Water Resistance
Flieger F-39200m
Hydra SIII200m
MSRP
Flieger F-39$2,530
Hydra SIII$699

Full specifications

Case

3 specs
Category
Pilot
Diver
Thickness
11.5mm
Lug-to-Lug
46mm

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

3 specs
Caliber
Sellita SW200-1
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$699

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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.

Lorier Hydra SIII

Owners and reviewers praise the Lorier Hydra SIII for its value, GMT functionality via the Miyota 9075 movement, and classic travel-diver aesthetics. Some reviewers note the finishing is simple or a tad rough around the edges, while others find it good for the price. Accuracy figures range from +7 to +8.5 seconds per day. The domed Hesalite crystal may exhibit distortion. Overall, owners and reviewers rate the Lorier Hydra SIII highly for its feature set and value proposition in a travel-diver format.

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