Side by side

Fortis Flieger F-43 BicompaxvsSpinnaker Fleuss GMT

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
Fleuss GMT
SpinnakerFleuss GMT
MSRP $299

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Fleuss GMT43mm
Power Reserve
Flieger F-43 Bicompax58h
Fleuss GMT40h
Water Resistance
Flieger F-43 Bicompax200m
Fleuss GMT150m
MSRP
Flieger F-43 Bicompax$4,180
Fleuss GMT$299

Full specifications

Case

5 specs
Category
Chronograph
GMT
Thickness
14.5mm
13mm
Lug-to-Lug
51mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

1 specs
Dial Color
Original
Blue

Movement

3 specs
Caliber
Sellita SW510 BH a
Seiko NH34A
Power Reserve
58h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$299

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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.

Spinnaker Fleuss GMT

Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal, comfortable and light wearability, and value, especially when discounted. The textured blue dial, applied lumed markers, and sapphire crystal with AR coating are highlighted as stunning features. Owners also note the dial is very well lumed and the bracelet has helpful quick-release tabs. However, the 43.3mm case size is criticized by some as being too large, and the Beads of Rice bracelet is described as "jingly jangly" with a pressed clasp and a clasp that isn't finely finished. Some users flag the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value at its affordable price point.

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