Side by side

Oak & Oscar The Humboldt ExP-02vsYema Navygraf CMM.10

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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

15 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Navygraf CMM.1039mm
Power Reserve
The Humboldt ExP-0256h
Navygraf CMM.1040h
Water Resistance
The Humboldt ExP-02200m
Navygraf CMM.10100m
MSRP
The Humboldt ExP-02$2,400
Navygraf CMM.10$1,899

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
39.5mm
39mm
Thickness
12.4mm
11mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
19mm
Water Resistance
200m
100m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
Dial Color
Grey
Standard
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
Yema CMM.10
Power Reserve
56h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$1,899

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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.

Yema Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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