Side by side

Fortis Flieger F-39 Werk 7vsOak & Oscar The Humboldt GMT

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
The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175

At a glance

16 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
The Humboldt GMT39.5mm
Power Reserve
Flieger F-39 Werk 738h
The Humboldt GMT56 hoursh
Water Resistance
Flieger F-39 Werk 7200m
The Humboldt GMT200m
MSRP
Flieger F-39 Werk 7$4,510
The Humboldt GMT$2,175

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
39mm
39.5mm
Thickness
11.5mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Black
White
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Werk 7 (Manufacture)
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
56 hoursh
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$2,175

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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.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

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