Side by side

Fortis Flieger F-43 BicompaxvsSpinnaker Fleuss Pearl Diver Nessie

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 Pearl Diver Nessie
SpinnakerFleuss Pearl Diver Nessie
MSRP $425

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Fleuss Pearl Diver Nessie43mm
Power Reserve
Flieger F-43 Bicompax58h
Fleuss Pearl Diver Nessie40h
Water Resistance
Flieger F-43 Bicompax200m
Fleuss Pearl Diver Nessie150m
MSRP
Flieger F-43 Bicompax$4,180
Fleuss Pearl Diver Nessie$425

Full specifications

Case

5 specs
Category
Chronograph
Diver
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
SII NH35A
Power Reserve
58h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$425

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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 Pearl Diver Nessie

Owners widely report a split on the Spinnaker Fleuss Pearl Diver Nessie's build quality, with some finding it disappointing due to issues like misaligned bezels or indices, while others praise its robust construction. The watch features a blue mother-of-pearl dial with a hidden Nessie silhouette, powered by a Miyota 8245 movement and priced at $425. One owner noted the Spinnaker Fleuss Pearl Diver Nessie felt a bit large. Overall, owners and reviewers find the Spinnaker Fleuss Pearl Diver Nessie offers good value with unique design elements that celebrate its theme without being overly cartoonish.

From video reviewers

The blue Mother-of-Pearl dial with "Nessie" easter eggs is a distinctive design element. The 43mm case size may be substantial for smaller wrists.

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