Side by side

Fortis Flieger F-43 BicompaxvsSeiko 5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model42.5mm
Power Reserve
Flieger F-43 Bicompax58h
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model41h
Water Resistance
Flieger F-43 Bicompax200m
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model100m
MSRP
Flieger F-43 Bicompax$4,180
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model$430

Full specifications

Case

5 specs
Category
Chronograph
Diver
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 and index(es)

Movement

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

Pricing

1 specs
MSRP
$4,180
$430

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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 DENHAM Limited Edition, Seiko Boutique exclusive model

Owners widely praise the 5 Sports SKX series DENHAM Limited Edition for its translucent indigo dial, spinning day/date wheels, Kanji day display, and exceptionally smooth bezel action, finding it unique without being gaudy. One owner highlights the premium NATO strap and denim-inspired design, while others note its appeal with blue jeans and a resemblance to other denim-themed watches. The 4R36 movement powers the watch, offering a 41-hour power reserve. However, one reviewer found the overall execution crude and the nylon strap a dissonant element, suggesting a different platform would have been more suitable. Some owners also note the watch is a bit large. On balance, owners and reviewers appreciate the 5 Sports SKX series DENHAM Limited Edition for its distinctive denim-inspired aesthetic and unique dial features.

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