Side by side

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsTissot Seastar 1000 Quartz Chronograph

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
Seastar 1000 Quartz Chronograph
TissotSeastar 1000 Quartz Chronograph
MSRP $650

At a glance

18 of 29 specs differ
Diameter
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Seastar 1000 Quartz Chronograph38mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Seastar 1000 Quartz Chronograph40h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
Seastar 1000 Quartz Chronograph300m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
Seastar 1000 Quartz Chronograph$650

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
40mm
38mm
Thickness
14mm
12.95mm
Lug-to-Lug
48mm
38mm
Lug Width
20mm
18mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
AR Coating
Underside
Yes
Dial Color
Graded turquoise
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

5 specs
Caliber
Seiko NH34
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$379
$650

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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.

Tissot Seastar 1000 Quartz Chronograph

The Tissot Seastar 1000 Quartz Chronograph is widely praised for its excellent value, solid build, and 300m water resistance, making it a capable summer watch. Owners appreciate its comfortable size, with one noting the 40mm variant as a "just right" fit, and others highlighting the attractive mineral bezels and throwback aesthetics of certain colorways. The watch features adequate lume on the dial and hands, with a green lume pip on the bezel, and a screw-down crown with decent grip. However, some criticisms have been raised. Reviewers and owners note a non-reflective crystal that can cause glare, mediocre lume in general, and excessive polishing on the case. The bracelet and clasp are frequently described as rattly and flimsy, with one owner finding the 19mm lug width too thin. There are also comments about a busy dial, ill-proportioned hands and indices, and a bezel that can be hard to read in certain light.

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