Side by side

Boldr BOLDR x NitecorevsFortis Flieger F-39

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

BOLDR x Nitecore
BoldrBOLDR x Nitecore
MSRP $449
Flieger F-39
FortisFlieger F-39
MSRP $2,530

At a glance

12 of 29 specs differ
Diameter
BOLDR x Nitecore38mm
Flieger F-3939mm
Power Reserve
BOLDR x Nitecore40h
Flieger F-3938h
Water Resistance
BOLDR x Nitecore200m
Flieger F-39200m
MSRP
BOLDR x Nitecore$449
Flieger F-39$2,530

Full specifications

Case

5 specs
Category
Diver
Pilot
Diameter
38mm
39mm
Thickness
12.8mm
11.5mm
Lug-to-Lug
44mm
46mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
The Kraken by BOLDR x Nitecore
Black
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$449
$2,530

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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.

BOLDR x Nitecore

BOLDR x Nitecore is widely praised for its lightweight 38mm PVD titanium case, excellent legibility, and perfect sizing. Owners and reviewers highlight the unique, topographical map-inspired dial offering fantastic depth, complemented by color-matched Old-Radium C3 lume and subtle branding. The watch is described as durable and powerfully lumed, with the included Nitecore TIKI torch capable of boosting its glow. On balance, owners and reviewers rate the BOLDR x Nitecore highly for its exceptional lume and distinctive dial design at its price point.

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.

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