Side by side

Oak & Oscar The Humboldt ExP-02vsIslander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316

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
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
IslanderIslander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
MSRP $379

At a glance

18 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Power Reserve
The Humboldt ExP-0256h
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Water Resistance
The Humboldt ExP-02200m
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
MSRP
The Humboldt ExP-02$2,400
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379

Full specifications

Case

7 specs
Category
Tool
GMT
Diameter
39.5mm
40mm
Thickness
12.4mm
14mm
Lug-to-Lug
46.8mm
48mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Caseback
Display
Screw-down

Crystal & Dial

5 specs
Crystal Shape
Double-domed
Flat
AR Coating
Inner
Underside
Dial Color
Grey
Indices
Applied
Lume
Super-LumiNova BGW9
None

Movement

5 specs
Caliber
Sellita SW300
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$379

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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.

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 offers excellent value at $329 MSRP, featuring a handsome anthracite dial with applied indices, a sapphire crystal, and a quality 120-click unidirectional bezel. Owners highlight the NH34 movement and well-proportioned 40x48x20mm case. Overall, owners rate the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 highly for its value and feature set at the price point.

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