Side by side

Fortis Flieger F-39 Werk 7vsMaen Grand Tonneau Ultra Thin

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
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

12 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Flieger F-39 Werk 738h
Grand Tonneau Ultra Thin40h
Water Resistance
Flieger F-39 Werk 7200m
Grand Tonneau Ultra Thin50m
MSRP
Flieger F-39 Werk 7$4,510
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
39mm
34mm
Thickness
11.5mm
6.4mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Black
MNL.04

Movement

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

Pricing

1 specs
MSRP
$4,510
$1,519

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

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