Which is cheaper, the Marathon Arctic OSAR 46mm Automatic or the Fortis Flieger F-39 Werk 7?

At MSRP the Marathon Arctic OSAR 46mm Automatic is the cheaper of the two at $2,500, against $4,510 for the Fortis Flieger F-39 Werk 7 — a $2,010 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 46mm Automatic or the Fortis Flieger F-39 Werk 7?

The Marathon Arctic OSAR 46mm Automatic wears larger at 46mm versus 39mm for the Fortis Flieger F-39 Werk 7 — a 7mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 46mm Automatic or the Fortis Flieger F-39 Werk 7?

The Marathon Arctic OSAR 46mm Automatic is rated to 300m versus 200m for the Fortis Flieger F-39 Werk 7.

Which has a longer power reserve, the Marathon Arctic OSAR 46mm Automatic or the Fortis Flieger F-39 Werk 7?

The Marathon Arctic OSAR 46mm Automatic carries a 40-hour power reserve against 38 hours on the Fortis Flieger F-39 Werk 7.

What movement does the Marathon Arctic OSAR 46mm Automatic run compared to the Fortis Flieger F-39 Werk 7?

Both watches run automatic movements — the Marathon Arctic OSAR 46mm Automatic uses the Sellita SW220-1 and the Fortis Flieger F-39 Werk 7 uses the Werk 7 (Manufacture).

Side by side

Marathon Arctic OSAR 46mm AutomaticvsFortis Flieger F-39 Werk 7

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

Marathon Arctic OSAR 46mm Automatic

46mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $2,500

Fortis Flieger F-39 Werk 7

F-39 Werk 7

MSRP $4,510

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 46mm Automatic46mm

Flieger F-39 Werk 739mm

Power Reserve

Arctic OSAR 46mm Automatic40h

Flieger F-39 Werk 738h

Water Resistance

Arctic OSAR 46mm Automatic300m

Flieger F-39 Werk 7200m

MSRP

Arctic OSAR 46mm Automatic$2,500

Flieger F-39 Werk 7$4,510

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

White

Black

Movement

3 specs

Caliber

Sellita SW220-1

Werk 7 (Manufacture)

Power Reserve

40h

38h

Jewels

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 Arctic OSAR 46mm Automatic

Owners widely praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the automatic movement may be unnecessary for rough use compared to a quartz option. Reviewers mention the MaraGlo luminous paint and a Sellita SW200-1 automatic movement. Some owners question its rising price and luxury positioning, with one reporting poor lume and movement performance. Overall, owners value the Marathon Arctic OSAR 46mm Automatic for its robust build and utilitarian design.

Reddit·3

A Blog to Watch

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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