Side by side

Fortis Flieger F-43 BicompaxvsTudor Black Bay 58 925

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 58 925
TudorBlack Bay 58 925
MSRP $5,600

At a glance

18 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Black Bay 58 92539mm
Power Reserve
Flieger F-43 Bicompax58h
Black Bay 58 92570h
Water Resistance
Flieger F-43 Bicompax200m
Black Bay 58 925200m
MSRP
Flieger F-43 Bicompax$4,180
Black Bay 58 925$5,600

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
39mm
Thickness
14.5mm
12.7mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Original
Taupe
Indices
Applied

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
$5,600

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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 58 925

The Tudor Black Bay 58 925 is praised for its unique taupe dial and bezel, and COSC-certified movement. Owners widely report the silver case scratches and dings more easily than steel, and some experience tarnishing despite anti-tarnishing claims, though it can be cleaned with an eraser or silver cloth. While some find the leather strap uncomfortable due to weight imbalance, others consider it suitable. The dial can appear washed out in certain lighting, and one owner notes the long springbar can scratch the case if it pops out. On balance, owners and reviewers appreciate the Tudor Black Bay 58 925 for its unique silver case and taupe dial, despite concerns about scratching and tarnishing.

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