Side by side

Borealis Watch Co. Porto CovovsIslander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

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 JFK Automatic GMT Watch with Batman Dial #ISL-338
IslanderIslander JFK Automatic GMT Watch with Batman Dial #ISL-338
MSRP $429

At a glance

18 of 29 specs differ
Diameter
Porto Covo40mm
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Power Reserve
Porto Covo40h
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
Water Resistance
Porto Covo300m
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
MSRP
Porto Covo$415
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
11.6mm
14.5mm
Lug-to-Lug
42.5mm
47.8mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid
Screw-down

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9039
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$415
$429

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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 JFK Automatic GMT Watch with Batman Dial #ISL-338

Owners widely praise the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 for its attractive dial texture and Pepsi bezel, with some finding the gold-tone accents and overall aesthetic to be a standout feature. The watch is also noted for its comfortable wearability and a useful GMT function, making it a popular choice for daily wear and vacations, further supported by its 200m water resistance. On balance, owners rate the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 highly for its visually appealing design and practical features at its price point.

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