Side by side

Oak & Oscar The Humboldt ExP-02vsSeiko Prospex Land Mechanical

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
Prospex Land Mechanical
SeikoProspex Land Mechanical
MSRP $995

At a glance

14 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Prospex Land Mechanical39.5mm
Power Reserve
The Humboldt ExP-0256h
Prospex Land Mechanical72h
Water Resistance
The Humboldt ExP-02200m
Prospex Land Mechanical200m
MSRP
The Humboldt ExP-02$2,400
Prospex Land Mechanical$995

Full specifications

Case

5 specs
Category
Tool
Field
Thickness
12.4mm
12.7mm
Lug-to-Lug
46.8mm
46.4mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Grey
Black
Lume
Super-LumiNova BGW9
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW300
6R55
Power Reserve
56h
72h
Jewels
25
24
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$995

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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.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

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