Side by side

Fortis Flieger F-43 BicompaxvsTudor Pelagos FXD Chrono

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
Pelagos FXD Chrono
TudorPelagos FXD Chrono
MSRP $6,375

At a glance

11 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Pelagos FXD Chrono43mm
Power Reserve
Flieger F-43 Bicompax58h
Pelagos FXD Chrono70h
Water Resistance
Flieger F-43 Bicompax200m
Pelagos FXD Chrono100m
MSRP
Flieger F-43 Bicompax$4,180
Pelagos FXD Chrono$6,375

Full specifications

Case

5 specs
Thickness
14.5mm
13.2mm
Lug-to-Lug
46mm
Material
Stainless Steel
43mm black carbon composite case with matt finish · Lugs: 22mm lug width · Case thickness: 13.2mm
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Original
Black

Movement

4 specs
Caliber
Sellita SW510 BH a
MT5813
Power Reserve
58h
70h
Jewels
27
25
Complications
None
Chronograph

Pricing

1 specs
MSRP
$4,180
$6,375

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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 Pelagos FXD Chrono

The Tudor Pelagos FXD Chrono is widely praised for its lightweight construction, with owners highlighting its carbon composite case and titanium case back contributing to exceptional comfort and wearability, even on smaller wrists. Reviewers and owners alike commend its excellent legibility, robust build quality, and impressive bezel action, with a smooth winding feel noted by one owner. The COSC-certified MT5813 movement provides a 70-hour power reserve. However, some find the tachymeter scale difficult to read, and the 45-minute counter impractical for cycling. One owner reported poor timekeeping with a deviation of -3 to -3.5 seconds per day, while another saw accuracy within a couple of seconds per day, and a separate owner noted three services in under two years. The included straps are frequently criticized as less appealing or having short length, and some question the watch's overall utility for cyclists compared to dedicated head units.

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