Side by side

Fortis Flieger F-43 BicompaxvsSeiko King Seiko KS1969

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 KS1969
SeikoKing Seiko KS1969
MSRP $3,100

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
King Seiko KS196939.4mm
Power Reserve
Flieger F-43 Bicompax58h
King Seiko KS196945h
Water Resistance
Flieger F-43 Bicompax200m
King Seiko KS196950m
MSRP
Flieger F-43 Bicompax$4,180
King Seiko KS1969$3,100

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
39.4mm
Thickness
14.5mm
9.9mm
Lug-to-Lug
43.6mm
Lug Width
22mm
19mm
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Original
Black

Movement

3 specs
Caliber
Sellita SW510 BH a
6L35
Power Reserve
58h
45h
Jewels
27
26

Pricing

1 specs
MSRP
$4,180
$3,100

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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 KS1969

The King Seiko KS1969 is praised for its Grand Seiko-level finishing and a slim 9.9mm case, with one owner noting it is indistinguishable from new and includes original packaging. However, the $3,100-$3,200 price point is widely questioned, with some finding the looks pedestrian and the branding jarring. Accuracy from the 6L35 movement is noted as +15/-10 seconds per day, and some owners feel the new case shape, dial colors, and end links deviate from the classic KS aesthetic. On balance, owners and reviewers are divided on the King Seiko KS1969, with the high price and modern design choices being the primary points of contention.

From video reviewers

The slim case profile under 10mm and compact lug-to-lug dimensions provide a comfortable fit. The dial's modern appeal and the collection's homage to vintage pieces are highlighted. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

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