Side by side

Fortis Flieger F-39 Werk 7vsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

11 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Flieger F-39 Werk 738h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Flieger F-39 Werk 7200m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Flieger F-39 Werk 7$4,510
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
39mm
41mm
Thickness
11.5mm
14mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

3 specs
Caliber
Werk 7 (Manufacture)
Sellita SW200-1
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$2,100

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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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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