Side by side

Oak & Oscar The Humboldt ExP-02vsZelos Great White 43

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
Great White 43
ZelosGreat White 43
MSRP $599

At a glance

15 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Great White 4343mm
Power Reserve
The Humboldt ExP-0256h
Great White 4340h
Water Resistance
The Humboldt ExP-02200m
Great White 43300m
MSRP
The Humboldt ExP-02$2,400
Great White 43$599

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
39.5mm
43mm
Thickness
12.4mm
12mm
Lug-to-Lug
46.8mm
43mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium (DLC coated)
Water Resistance
200m
300m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
Dial Color
Grey
Blue
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
Miyota 9015
Power Reserve
56h
40h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$599

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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.

Zelos Great White 43

Owners widely praise the Zelos Great White 43's "unbelievable" and "amazing" lume, particularly on the carbon and Frost variants. The Miyota 9015 movement and 300m water resistance are noted features. Some owners find the 43mm size large, while others report it wears well. Opinions are divided on colorways, with some disappointed by the absence of a "Nebula" option and others finding the "Arctic" version striking. Overall, owners rate the Zelos Great White 43 highly for its exceptional lume and robust specifications at the price point.

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