Side by side

Oak & Oscar The Humboldt ExP-02vsWren Diver One Aqua

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

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.

Wren Diver One Aqua

The sandwich dial with box crystal delivers a distinct vintage aesthetic that stands out at the price point. The flat-link bracelet completes the classic diver design. Reviewers noted the bezel action as a notable comparison point against competitors.

At a glance

13 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Diver One Aqua41mm
Power Reserve
The Humboldt ExP-0256h
Diver One Aqua38h
Water Resistance
The Humboldt ExP-02200m
Diver One Aqua200m
MSRP
The Humboldt ExP-02$2,400
Diver One Aqua$965

Full specifications

Case

6 specs
Category
Tool
Diameter
39.5mm
41mm
Thickness
12.4mm
13.3mm
Lug-to-Lug
46.8mm
47mm
Material
316L Stainless Steel
PVD coated retaining steel color for scratch resistant
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 SW300-1
Sellita SW200-1
Power Reserve
56h
38h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$965
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