Side by side

Fortis Flieger F-43 BicompaxvsGrand Seiko SLGC001

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
SLGC001
Grand SeikoSLGC001
MSRP $14,700

At a glance

12 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
SLGC00143.2mm
Power Reserve
Flieger F-43 Bicompax58h
SLGC00172h
Water Resistance
Flieger F-43 Bicompax200m
SLGC001100m
MSRP
Flieger F-43 Bicompax$4,180
SLGC001$14,700

Full specifications

Case

6 specs
Diameter
43mm
43.2mm
Thickness
14.5mm
15.3mm
Lug-to-Lug
51.5mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Original
Black

Movement

3 specs
Caliber
Sellita SW510 BH a
9SC5
Power Reserve
58h
72h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$14,700

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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.

Grand Seiko SLGC001

The Grand Seiko SLGC001 is praised for its high-tech titanium construction and 72-hour power reserve. Reviewers note the new 9SC5 movement, a 5Hz caliber with a +5 to -3 seconds per day accuracy rating. The watch features a balanced tri-compax dial and 100m water resistance. However, its 43.2mm width and 15.3mm thickness are described as bulky, and some find its styling less distinctive than previous models. On balance, reviewers highlight the technical achievement of Grand Seiko's first mechanical chronograph, despite its substantial dimensions.

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