Side by side

Oak & Oscar The Humboldt ExP-02vsDOXA SUB 300

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.

DOXA SUB 300

The DOXA SUB 300 is widely praised for its wearability and vibrant color options, with reviewers noting its compelling charm and modern updates like improved lume and a meter-based bezel. Owners report the DOXA SUB 300 wears comfortably, with its cushion case and beads-of-rice bracelet contributing to a smaller perceived size. The COSC-certified ETA 2824-2 movement is noted for its accuracy, with one owner seeing it gain only +1 second in three days. However, some owners flag issues with the bracelet's end links sticking out and a sharp clasp edge, while one reviewer found the lume to be a disappointment. The polished bezel surface is also noted as prone to scratches. Overall, owners and reviewers rate the DOXA SUB 300 highly for its wearability and distinct design, despite some minor finishing concerns.

At a glance

17 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
SUB 30042.5mm
Power Reserve
The Humboldt ExP-0256h
SUB 30038h
Water Resistance
The Humboldt ExP-02200m
SUB 300300m
MSRP
The Humboldt ExP-02$2,400
SUB 300$2,890

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
39.5mm
42.5mm
Thickness
12.4mm
0mm
Lug-to-Lug
46.8mm
0mm
Lug Width
20mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Caseback
Display

Crystal & Dial

5 specs
Crystal Shape
Double-domed
Domed
AR Coating
Yes
Dial Color
Grey
Aquamarine
Indices
Applied
Lume
Super-LumiNova BGW9
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW300-1
Power Reserve
56h
38h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$2,890
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