Side by side

Fortis Flieger F-43 BicompaxvsZelos GT

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
GT
ZelosGT
MSRP $499

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
GT42mm
Power Reserve
Flieger F-43 Bicompax58h
GT40h
Water Resistance
Flieger F-43 Bicompax200m
GT100m
MSRP
Flieger F-43 Bicompax$4,180
GT$499

Full specifications

Case

5 specs
Diameter
43mm
42mm
Thickness
14.5mm
10.8mm
Lug-to-Lug
42mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Original
SS - Azzurro

Movement

3 specs
Caliber
Sellita SW510 BH a
Miyota 9133
Power Reserve
58h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$499

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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.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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