Side by side

Fortis Flieger F-39 Werk 7vsSpinnaker Dumas 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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
Dumas GMT44mm
Power Reserve
Flieger F-39 Werk 738h
Dumas GMT40h
Water Resistance
Flieger F-39 Werk 7200m
Dumas GMT300m
MSRP
Flieger F-39 Werk 7$4,510
Dumas GMT$399

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
39mm
44mm
Thickness
11.5mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

3 specs
Caliber
Werk 7 (Manufacture)
Seiko NH34A
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$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 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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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