Which is cheaper, the Bremont Altitude Chronograph or the Fortis Flieger F-39 Werk 7?

At MSRP the Fortis Flieger F-39 Werk 7 is the cheaper of the two at $4,510, against $6,300 for the Bremont Altitude Chronograph — a $1,790 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Fortis Flieger F-39 Werk 7?

The Bremont Altitude Chronograph wears larger at 42mm versus 39mm for the Fortis Flieger F-39 Werk 7 — a 3mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Fortis Flieger F-39 Werk 7?

The Fortis Flieger F-39 Werk 7 is rated to 200m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Fortis Flieger F-39 Werk 7?

The Bremont Altitude Chronograph carries a 40-hour power reserve against 38 hours on the Fortis Flieger F-39 Werk 7.

What movement does the Bremont Altitude Chronograph run compared to the Fortis Flieger F-39 Werk 7?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Fortis Flieger F-39 Werk 7 uses the Werk 7 (Manufacture).

Side by side

Bremont Altitude ChronographvsFortis Flieger F-39 Werk 7

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

Bremont Altitude Chronograph

alt42-chr-g-ss-si-l-s

MSRP $6,300

Fortis Flieger F-39 Werk 7

F-39 Werk 7

MSRP $4,510

At a glance

12 of 29 specs differ

Diameter

Altitude Chronograph42mm

Flieger F-39 Werk 739mm

Power Reserve

Altitude Chronograph40h

Flieger F-39 Werk 738h

Water Resistance

Altitude Chronograph100m

Flieger F-39 Werk 7200m

MSRP

Altitude Chronograph$6,300

Flieger F-39 Werk 7$4,510

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Silver

Black

Movement

3 specs

Caliber

BE-50AE

Werk 7 (Manufacture)

Power Reserve

40h

38h

Jewels

Pricing

1 specs

MSRP

$6,300

$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.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

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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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