Which is cheaper, the Fortis Flieger F-39 Werk 7 or the Zelos LT Carbon?

At MSRP the Zelos LT Carbon is the cheaper of the two at $449, against $4,510 for the Fortis Flieger F-39 Werk 7 — a $4,061 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-39 Werk 7 or the Zelos LT Carbon?

The Zelos LT Carbon wears larger at 40mm versus 39mm for the Fortis Flieger F-39 Werk 7 — a 1mm difference across the dial.

Which has better water resistance, the Fortis Flieger F-39 Werk 7 or the Zelos LT Carbon?

The Fortis Flieger F-39 Werk 7 is rated to 200m versus 50m for the Zelos LT Carbon.

Which has a longer power reserve, the Fortis Flieger F-39 Werk 7 or the Zelos LT Carbon?

The Zelos LT Carbon carries a 40-hour power reserve against 38 hours on the Fortis Flieger F-39 Werk 7.

What movement does the Fortis Flieger F-39 Werk 7 run compared to the Zelos LT Carbon?

Both watches run automatic movements — the Fortis Flieger F-39 Werk 7 uses the Werk 7 (Manufacture) and the Zelos LT Carbon uses the Miyota 9133.

Side by side

Fortis Flieger F-39 Werk 7vsZelos LT Carbon

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

Fortis Flieger F-39 Werk 7

F-39 Werk 7

MSRP $4,510

Zelos LT Carbon

lt-carbon

MSRP $449

At a glance

11 of 29 specs differ

Diameter

Flieger F-39 Werk 739mm

LT Carbon40mm

Power Reserve

Flieger F-39 Werk 738h

LT Carbon40h

Water Resistance

Flieger F-39 Werk 7200m

LT Carbon50m

MSRP

Flieger F-39 Werk 7$4,510

LT Carbon$449

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Black

Carbon

Movement

3 specs

Caliber

Werk 7 (Manufacture)

Miyota 9133

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$4,510

$449

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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.

The forged carbon case construction is a standout feature, noted for its lightweight feel and distinctive pattern. The proprietary strap system limits aftermarket options. Reviewers disagree on the value proposition compared to alternatives.

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