Which is cheaper, the Fortis Flieger F-43 Bicompax or the Tudor Ranger?

At MSRP the Tudor Ranger is the cheaper of the two at $3,900, against $4,180 for the Fortis Flieger F-43 Bicompax — a $280 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-43 Bicompax or the Tudor Ranger?

The Fortis Flieger F-43 Bicompax wears larger at 43mm versus 36mm for the Tudor Ranger — a 7mm difference across the dial.

Which has better water resistance, the Fortis Flieger F-43 Bicompax or the Tudor Ranger?

The Fortis Flieger F-43 Bicompax is rated to 200m versus 100m for the Tudor Ranger.

Which has a longer power reserve, the Fortis Flieger F-43 Bicompax or the Tudor Ranger?

The Tudor Ranger carries a 70-hour power reserve against 58 hours on the Fortis Flieger F-43 Bicompax.

What movement does the Fortis Flieger F-43 Bicompax run compared to the Tudor Ranger?

Both watches run automatic movements — the Fortis Flieger F-43 Bicompax uses the Sellita SW510 BH a and the Tudor Ranger uses the MT5400.

Side by side

Fortis Flieger F-43 BicompaxvsTudor Ranger

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

Fortis Flieger F-43 Bicompax

F-43 Bicompax

MSRP $4,180

Tudor Ranger

m79930-0001

MSRP $3,900

At a glance

19 of 29 specs differ

Diameter

Flieger F-43 Bicompax43mm

Ranger36mm

Power Reserve

Flieger F-43 Bicompax58h

Ranger70h

Water Resistance

Flieger F-43 Bicompax200m

Ranger100m

MSRP

Flieger F-43 Bicompax$4,180

Ranger$3,900

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Original

Black

Indices

Applied

—

Movement

6 specs

Caliber

Sellita SW510 BH a

MT5400

Beat Rate

28,800 vph

0 vph

Power Reserve

58h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$4,180

$3,900

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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-43 Bicompax

Owners widely praise the Fortis Original for its tool-watch aesthetic, legibility, and robust construction, with many noting excellent lume that lasts all night and precise day/date changes at midnight. The brushed stainless steel case is well-finished, and the 38mm size is considered comfortable and well-weighted despite being smaller than modern watches. Accuracy figures range from +2 seconds/day to +8 seconds/day, and some owners compare Fortis quality favorably to Omega. However, some users find the MSRP too high compared to brands like Sinn and Damasko, and one owner reported internal parts dislodging from a limited edition model. Concerns have also been raised about stripped lug screws on B-42 models and potential parts shortages due to past bankruptcy protection filings. Overall, owners rate the Fortis Original highly for its durable construction and tool-watch functionality at a competitive price point.

WatchUSeek·9

Tudor Ranger

The Tudor Ranger is highly regarded by owners for its balanced dial, legible markers, and traditional 36mm sizing, with some rating it above other Tudor models. The watch is powered by a COSC-certified MT5405 movement offering a 70-hour power reserve. On balance, owners and reviewers praise the Tudor Ranger for its excellent value and classic design.

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