Side by side

Oak & Oscar The Humboldt ExP-02vsMaen Mahjong 36

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
Mahjong 36
MaenMahjong 36
MSRP $899

At a glance

15 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Mahjong 3636mm
Power Reserve
The Humboldt ExP-0256h
Mahjong 3640h
Water Resistance
The Humboldt ExP-02200m
Mahjong 3650m
MSRP
The Humboldt ExP-02$2,400
Mahjong 36$899

Full specifications

Case

7 specs
Category
Tool
Dress
Diameter
39.5mm
36mm
Thickness
12.4mm
11.1mm
Lug-to-Lug
46.8mm
Lug Width
20mm
Water Resistance
200m
50m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
Dial Color
Grey
MHV.03
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
Miyota 9122
Power Reserve
56h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$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.

Maen Mahjong 36

Owners widely appreciate the Maen Mahjong 36 for its quality and wearability, with some finding the green sunburst dial a subtle and fitting homage to its theme and the price reasonable. However, a segment of the community finds the design too understated for its thematic inspiration, preferring a more pronounced lacquered dial. On balance, owners rate the Maen Mahjong 36 highly for its impressive quality and wearability at its price point.

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