Side by side

Fortis Flieger F-43 BicompaxvsSeiko King Seiko VANAC

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
King Seiko VANAC
SeikoKing Seiko VANAC
MSRP $3,850

At a glance

14 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
King Seiko VANAC41mm
Power Reserve
Flieger F-43 Bicompax58h
King Seiko VANAC72h
Water Resistance
Flieger F-43 Bicompax200m
King Seiko VANAC100m
MSRP
Flieger F-43 Bicompax$4,180
King Seiko VANAC$3,850

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
41mm
Thickness
14.5mm
14.3mm
Lug-to-Lug
45.1mm
Lug Width
22mm
17mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Original
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW510 BH a
8L45
Power Reserve
58h
72h
Jewels
27
35

Pricing

1 specs
MSRP
$4,180
$3,850

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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 King Seiko VANAC

Owners widely praise the King Seiko VANAC's sharp case lines, intricate finishing, and unique 1970s aesthetic, with many highlighting the striking dial colors and premium feel. Reviewers note the 41mm titanium case, box sapphire crystal, 100m water resistance, and the 72-hour power reserve of the 8L45 movement, rated to -5/+10 seconds per day. Some owners find the bracelet design could be improved with a narrower taper, and the watch's thickness is a concern for some, particularly given its price point. The consensus is that the King Seiko VANAC offers a distinctive vintage-inspired design and quality finishing, making it a compelling, albeit polarizing, choice.

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