Side by side

Oak & Oscar The Humboldt ExP-02vsMarathon Steel Navigator SSNAV-D Auto

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

The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400

At a glance

13 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Steel Navigator SSNAV-D Auto41mm
Power Reserve
The Humboldt ExP-0256h
Steel Navigator SSNAV-D Auto40h
Water Resistance
The Humboldt ExP-02200m
Steel Navigator SSNAV-D Auto60m
MSRP
The Humboldt ExP-02$2,400
Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

6 specs
Category
Tool
Pilot
Diameter
39.5mm
41mm
Thickness
12.4mm
11mm
Lug-to-Lug
46.8mm
48mm
Water Resistance
200m
60m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
Dial Color
Grey
Black
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
Sellita SW220-1
Power Reserve
56h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$1,400

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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.

Oak & Oscar The Humboldt ExP-02

Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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