Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsFortis Flieger F-39 Werk 7

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
Flieger F-39 Werk 7
FortisFlieger F-39 Werk 7
MSRP $4,510

At a glance

11 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Flieger F-39 Werk 739mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Flieger F-39 Werk 738h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Flieger F-39 Werk 7200m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Flieger F-39 Werk 7$4,510

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
46mm
39mm
Thickness
13mm
11.5mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Movement

3 specs
Caliber
Sellita SW220-1
Werk 7 (Manufacture)
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$2,500
$4,510

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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.

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