Side by side

Fortis Flieger F-43 BicompaxvsTudor Black Bay 54

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
Black Bay 54
TudorBlack Bay 54
MSRP $4,725

At a glance

18 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Black Bay 5437mm
Power Reserve
Flieger F-43 Bicompax58h
Black Bay 5470h
Water Resistance
Flieger F-43 Bicompax200m
Black Bay 54200m
MSRP
Flieger F-43 Bicompax$4,180
Black Bay 54$4,725

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
37mm
Thickness
14.5mm
11.2mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Original
Blue
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
Sellita SW510 BH a
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
58h
70h
Jewels
27
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$4,180
$4,725

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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.

Tudor Black Bay 54

The Tudor Black Bay 54 is widely praised for its compact 37mm size and thin 11.2mm case, offering surprising wrist presence and comfortable wearability with a vintage aesthetic. Reviewers highlight its robust 200-meter water resistance, clean design, and modern features without compromise, powered by Tudor's MT5400 movement with a 70-hour power reserve. One reviewer noted a preference for true vintage or more modern Tudor offerings over time. On balance, reviewers rate the Tudor Black Bay 54 highly for its faithful vintage design and comfortable, modern dive watch experience.

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