Side by side

Borealis Watch Co. Porto CovovsIslander Islander Republic Traveler GMT Watch with Black Dial #ISL-276

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
IslanderIslander Republic Traveler GMT Watch with Black Dial #ISL-276
MSRP $695

At a glance

18 of 29 specs differ
Diameter
Porto Covo40mm
Islander Republic Traveler GMT Watch with Black Dial #ISL-27640mm
Power Reserve
Porto Covo40h
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
Water Resistance
Porto Covo300m
Islander Republic Traveler GMT Watch with Black Dial #ISL-276200m
MSRP
Porto Covo$415
Islander Republic Traveler GMT Watch with Black Dial #ISL-276$695

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
40mm
Thickness
11.6mm
13.1mm
Lug-to-Lug
42.5mm
46.5mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

5 specs
Caliber
Miyota 9039
Miyota 9075
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$415
$695

Follow this matchup

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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.

Borealis Watch Co. Porto Covo

The Borealis Porto Covo is widely praised for its 39mm size and unique cantilevered indices that create a 3D effect and depth. Owners note the indices' floating appearance is a well-executed design. One owner reported poor accuracy and a terse customer service response, while another wished for a 42mm size option. The $395 price is considered reasonable for a microbrand, though some feel it does not compare favorably to AliExpress options. Overall, owners appreciate the Borealis Porto Covo for its distinctive dial design and wearable 39mm case size.

Islander Republic Traveler GMT Watch with Black Dial #ISL-276

Owners widely praise the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 for its excellent case finishing and build quality, featuring applied indices and a matching date wheel. The watch is noted for wearing well on the wrist with ample micro-adjustment options for a comfortable fit, and it is running at +2 seconds per day out of the box, powered by an SW330-2 movement. Overall, owners rate the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 highly for its finishing and wearability at the price point.

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