Side by side

Fortis Flieger F-43 BicompaxvsGrand Seiko SLGW005

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
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
SLGW00538.8mm
Power Reserve
Flieger F-43 Bicompax58h
SLGW00580h
Water Resistance
Flieger F-43 Bicompax200m
SLGW00530m
MSRP
Flieger F-43 Bicompax$4,180
SLGW005$9,700

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
38.8mm
Thickness
14.5mm
10.4mm
Lug-to-Lug
43.7mm
Lug Width
22mm
19mm
Water Resistance
200m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Original
Black

Movement

4 specs
Caliber
Sellita SW510 BH a
9SA4
Type
Automatic
Manual
Power Reserve
58h
80h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$9,700

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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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

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