Side by side

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsGruppo Gamma Peacemaker Bronze

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
Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990

At a glance

17 of 29 specs differ
Diameter
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Peacemaker Bronze43mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Peacemaker Bronze42h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
Peacemaker Bronze200m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
Peacemaker Bronze$990

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
40mm
43mm
Thickness
14mm
13mm
Lug-to-Lug
48mm
52.5mm
Lug Width
20mm
24mm
Material
Stainless Steel
Bronze
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
AR Coating
Underside
Yes
Dial Color
Fume Green
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Seiko NH34
ETA 2824-2
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
42h
Jewels
0
25

Pricing

1 specs
MSRP
$379
$990

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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.

Gruppo Gamma Peacemaker Bronze

Owners widely praise the Gruppo Gamma Peacemaker Bronze for its strong vintage aesthetic, featuring attractive sandwich dials and high-domed or box-shaped sapphire crystals. The bronze case is noted for developing patina and the watch is generally considered a good value. Accuracy figures vary, with one report of approximately +10 seconds per day and others stating +/-12 seconds per day. Power reserves range from 38 to 45 hours depending on the movement. One owner describes the winding action as a "dream." On balance, owners consider the Gruppo Gamma Peacemaker Bronze a well-built watch offering significant vintage appeal and value.

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