Side by side

Fortis Flieger F-43 BicompaxvsTudor Black Bay 58 18K

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 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

19 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Black Bay 58 18K39mm
Power Reserve
Flieger F-43 Bicompax58h
Black Bay 58 18K70h
Water Resistance
Flieger F-43 Bicompax200m
Black Bay 58 18K200m
MSRP
Flieger F-43 Bicompax$4,180
Black Bay 58 18K$22,550

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
43mm
39mm
Thickness
14.5mm
12.7mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Original
Green
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
$22,550

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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 18K

Owners appreciate the substantial feel of the 18K gold Tudor Black Bay 58 on the wrist, with reviewers noting the brushed gold finishing and 39mm case size. The watch is powered by the COSC-certified Manufacture Caliber MT5400 with a 70-hour power reserve, visible through an open caseback. Sources offer differing price points, ranging from $16,800 to $32,100 depending on the strap or bracelet. Some reviewers criticize the brushed finish for diminishing the visual luxury of gold and find the green dial and bezel color combination divisive or lacking charisma. Overall, owners and reviewers find the Tudor Black Bay 58 18K to be an ambitious, albeit divisive, precious metal sports watch, with praise for its substantial feel and brushed gold finishing.

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