Side by side

Fortis Flieger F-39vsSpinnaker Fleuss Pearl Diver Nessie

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Flieger F-39
FortisFlieger F-39
MSRP $2,530
Fleuss Pearl Diver Nessie
SpinnakerFleuss Pearl Diver Nessie
MSRP $425

At a glance

12 of 29 specs differ
Diameter
Flieger F-3939mm
Fleuss Pearl Diver Nessie43mm
Power Reserve
Flieger F-3938h
Fleuss Pearl Diver Nessie40h
Water Resistance
Flieger F-39200m
Fleuss Pearl Diver Nessie150m
MSRP
Flieger F-39$2,530
Fleuss Pearl Diver Nessie$425

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
39mm
43mm
Thickness
11.5mm
13mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

3 specs
Caliber
Sellita SW200-1
SII NH35A
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$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-39

Owners and reviewers widely praise the Fortis Flieger F-39 for its robust build quality, excellent finishing often compared favorably to more expensive watches, and legible utilitarian dial with distinctive color accents. The watch is noted for its precise bidirectional bezel action, excellent lume, and comfortable wearability, with one owner reporting accuracy of 1 second fast per day. Some reviewers flag the 39mm case as wearing large due to its lug-to-lug distance, and the 38-hour power reserve of the Sellita SW 200-1 based UW-30 movement is cited as a limitation, though newer versions feature a 70-hour power reserve. Overall, owners and reviewers highly regard the Fortis Flieger F-39 for its tool watch aesthetic and impressive machining and build quality at its price point.

From video reviewers

The 200m water resistance is a notable strength. Reviewers did not reach a consensus on any weaknesses.

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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