Side by side

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsBoldr Venture 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
Venture GMT
BoldrVenture GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Venture GMT38mm
Power Reserve
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Venture GMT40h
Water Resistance
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
Venture GMT200m
MSRP
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379
Venture GMT$299

Full specifications

Case

5 specs
Diameter
40mm
38mm
Lug-to-Lug
48mm
44mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
Seiko NH34
Ronda 515
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$379
$299

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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.

Boldr Venture GMT

Owners widely praise the Boldr Venture GMT for its lightweight titanium case and bracelet, utilitarian GMT function, and 200m water resistance, with many finding it a comfortable daily driver. The watch's faceted bracelet attachment, sapphire crystal, and attractive dials are also frequently highlighted, though some owners note the lume's visibility is hampered by blending numbers. Accuracy varies, with one owner reporting it runs 6 seconds fast over 25 days, while another finds the Miyota movement basic. Some users would prefer a 4 o'clock crown and a date window, and the clasp safety can be loose. Overall, owners rate the Boldr Venture GMT highly for its robust titanium build and practical GMT functionality at its price point.

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