Side by side

Fortis Flieger F-43 BicompaxvsGrand Seiko SLGW004

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
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

14 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
SLGW00438.8mm
Power Reserve
Flieger F-43 Bicompax58h
SLGW00480h
Water Resistance
Flieger F-43 Bicompax200m
SLGW00430m
MSRP
Flieger F-43 Bicompax$4,180
SLGW004$30,000

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
38.8mm
Thickness
14.5mm
10.4mm
Lug-to-Lug
43.7mm
Lug Width
22mm
19mm
Material
Stainless Steel
Gold
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
$30,000

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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 SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

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