Side by side

Fortis Flieger F-39vsIslander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

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
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
IslanderIslander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
MSRP $399

At a glance

14 of 29 specs differ
Diameter
Flieger F-3939mm
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Power Reserve
Flieger F-3938h
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
Water Resistance
Flieger F-39200m
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
MSRP
Flieger F-39$2,530
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399

Full specifications

Case

5 specs
Category
Pilot
Diver
Thickness
11.5mm
13mm
Lug-to-Lug
46mm
0mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied

Movement

4 specs
Caliber
Sellita SW200-1
Miyota 8205
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$2,530
$399

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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.

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

The Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 is praised for its 39mm size and comfortable fit, with its bi-directional dual time bezel noted as a useful feature for tracking different time zones. Owners appreciate the lumed ceramic bezel and the slightly domed sapphire crystal. One owner specifically highlights the dial layout as a strong positive. The screw-down crown is also mentioned as a nice touch. On balance, owners rate the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 highly for its wearability and functional bezel.

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