Side by side

Fortis Flieger F-43 BicompaxvsFortis Marinemaster M-40

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

Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Marinemaster M-4040mm
Power Reserve
Flieger F-43 Bicompax58h
Marinemaster M-4038h
Water Resistance
Flieger F-43 Bicompax200m
Marinemaster M-40300m
MSRP
Flieger F-43 Bicompax$4,180
Marinemaster M-40$3,520

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
43mm
40mm
Thickness
14.5mm
13mm
Lug Width
22mm
21mm
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Original
Orange

Movement

3 specs
Caliber
Sellita SW510 BH a
Sellita SW220-1
Power Reserve
58h
38h
Jewels
27
26

Pricing

1 specs
MSRP
$4,180
$3,520

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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