Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsIslander 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 GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
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

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Water Resistance
The Humboldt GMT SAR Edition200m
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
MSRP
The Humboldt GMT SAR Edition$2,950
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379

Full specifications

Case

6 specs
Diameter
39.5mm
40mm
Thickness
12.5mm
14mm
Lug-to-Lug
46.8mm
48mm
Material
Grade 5 Titanium
Stainless Steel
Finish
Brushed and polished
Caseback
Solid screw-down
Screw-down

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
Dial Color
Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW330
Seiko NH34
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
0h
Jewels
25
0

Pricing

1 specs
MSRP
$2,950
$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 GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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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