Side by side

Fortis Flieger F-39vsBoldr The Boys

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
The Boys
BoldrThe Boys
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Flieger F-3939mm
The Boys38mm
Power Reserve
Flieger F-3938h
The Boys40h
Water Resistance
Flieger F-39200m
The Boys200m
MSRP
Flieger F-39$2,530
The Boys$299

Full specifications

Case

5 specs
Category
Pilot
Tool
Diameter
39mm
38mm
Thickness
11.5mm
12mm
Lug-to-Lug
46mm
44mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
The Boys' Brigade 90th Anniversary Edition
Lume
None
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$2,530
$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-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.

Boldr The Boys

Boldr The Boys is praised for its lightweight, durable titanium case, ergonomic lugs, and excellent legibility with strong lume. Owners note the competitive price and good customer service, while reviewers highlight the reliable SII NH35A movement and 200m water resistance. Some owners report that titanium scratches easily and question the brand's history and recognition. On balance, owners and reviewers rate Boldr The Boys highly for its practical features and value at $299.

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