Side by side

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

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
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

16 of 29 specs differ
Diameter
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
HYDROCONQUEST GMT41mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
HYDROCONQUEST GMT40h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
HYDROCONQUEST GMT300m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
HYDROCONQUEST GMT$3,350

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
40mm
41mm
Thickness
14mm
12.9mm
Lug-to-Lug
48mm
49.4mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Green
Indices
Applied

Movement

4 specs
Caliber
Seiko NH34
L844.5
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$379
$3,350

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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.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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