Side by side

Seiko Prospex SeavsIslander 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.

Prospex Sea
SeikoProspex Sea
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

16 of 29 specs differ
Diameter
Prospex Sea42mm
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Power Reserve
Prospex Sea72h
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Water Resistance
Prospex Sea300m
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
MSRP
Prospex Sea
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
13.3mm
14mm
Lug-to-Lug
48.6mm
48mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
AR Coating
Anti-reflective coating on inner surface
Underside
Dial Color
Black
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
6R54
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$379

Follow this matchup

Get a note when Seiko Prospex Sea vs Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, solid build, and comfortable wearability, with specific mentions of its matte black dial, excellent lume, and cushion case that wears smaller than its dimensions suggest. The 4R36 movement is noted for hacking and hand-winding capabilities, and the bezel action is described as smooth and precise. Some owners find the watch to be a legitimate tool with a fair price, while others describe it as big, thick, and heavy, uncomfortable for smaller wrists, though this is subjective as one owner found the size perfect. The solar quartz movement is also highlighted as a collection-worthy feature. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and comfortable, classic design.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.