Side by side

Borealis Watch Co. Porto CovovsSeiko 5 Sports SKX series

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
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
5 Sports SKX series28mm
Power Reserve
Porto Covo40h
5 Sports SKX series40h
Water Resistance
Porto Covo300m
5 Sports SKX series100m
MSRP
Porto Covo$415
5 Sports SKX series$315

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
40mm
28mm
Thickness
11.6mm
11.2mm
Lug-to-Lug
42.5mm
33.1mm
Lug Width
20mm
14mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Miyota 9039
2R06
Jewels
25
21

Pricing

1 specs
MSRP
$415
$315

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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.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

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