Side by side

Fortis Flieger F-43 BicompaxvsSeiko 5 Sports SKX series MOONEYES Limited Edition

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

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
5 Sports SKX series MOONEYES Limited Edition42.5mm
Power Reserve
Flieger F-43 Bicompax58h
5 Sports SKX series MOONEYES Limited Edition41h
Water Resistance
Flieger F-43 Bicompax200m
5 Sports SKX series MOONEYES Limited Edition100m
MSRP
Flieger F-43 Bicompax$4,180
5 Sports SKX series MOONEYES Limited Edition$420

Full specifications

Case

5 specs
Category
Chronograph
Sport
Diameter
43mm
42.5mm
Thickness
14.5mm
13.4mm
Lug-to-Lug
46mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Original
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW510 BH a
4R36
Power Reserve
58h
41h
Jewels
27
24

Pricing

1 specs
MSRP
$4,180
$420

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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.

Seiko 5 Sports SKX series MOONEYES Limited Edition

The Seiko 5 Sports SKX series MOONEYES Limited Edition is praised for its bold, sporty design, featuring a vibrant yellow sunray dial and a unique acrylic bezel insert that evokes hot-rodding culture. Owners note the surprisingly wearable yellow color and the distinctive Mooneyes branding that stands out in person. The 42.5mm case is complemented by a short 46mm lug-to-lug distance, allowing for comfortable wear on smaller wrists. It is powered by the 4R36 automatic movement, offering a 41-hour power reserve, and comes with both a steel bracelet and a striped nylon strap. Overall, owners and reviewers appreciate the Seiko 5 Sports SKX series MOONEYES Limited Edition for its fun, retro aesthetic and comfortable wearability at an affordable price point.

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