Side by side

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsHorage Revolution 3 MicroReg

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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
Revolution 3 MicroReg
HorageRevolution 3 MicroReg
MSRP $5,320

At a glance

17 of 29 specs differ
Diameter
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Revolution 3 MicroReg41mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Revolution 3 MicroReg72h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
Revolution 3 MicroReg100m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
Revolution 3 MicroReg$5,320

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
40mm
41mm
Thickness
14mm
10.05mm
Lug-to-Lug
48mm
48.22mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
AR Coating
Underside
No
Dial Color
Black
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Seiko NH34
Horage K2
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
25

Pricing

1 specs
MSRP
$379
$5,320

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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.

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.

Horage Revolution 3 MicroReg

The Horage Revolution 3 MicroReg showcases an innovative external micro-adjustment system for on-the-fly regulation via electromagnetic pulse, a remarkable feat of micro-engineering. This proof-of-concept prototype is still in early development, with a projected launch in late summer 2026 and a founder's price of CHF 3,900. On balance, reviewers highlight the revolutionary regulation technology as the defining characteristic of the Horage Revolution 3 MicroReg.

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