Side by side

Oak & Oscar The Humboldt ExP-02vsLorier Neptune SIV

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
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

13 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Neptune SIV39mm
Power Reserve
The Humboldt ExP-0256h
Neptune SIV40h
Water Resistance
The Humboldt ExP-02200m
Neptune SIV200m
MSRP
The Humboldt ExP-02$2,400
Neptune SIV$599

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
39.5mm
39mm
Thickness
12.4mm
Lug-to-Lug
46.8mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Display
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW300
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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

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