Side by side

Borealis Watch Co. Porto CovovsSeiko 5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model

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

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model42.5mm
Power Reserve
Porto Covo40h
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model41h
Water Resistance
Porto Covo300m
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model100m
MSRP
Porto Covo$415
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model$430

Full specifications

Case

5 specs
Diameter
40mm
42.5mm
Thickness
11.6mm
13.4mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$430

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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 DENHAM Limited Edition, Seiko Boutique exclusive model

Owners widely praise the 5 Sports SKX series DENHAM Limited Edition for its translucent indigo dial, spinning day/date wheels, Kanji day display, and exceptionally smooth bezel action, finding it unique without being gaudy. One owner highlights the premium NATO strap and denim-inspired design, while others note its appeal with blue jeans and a resemblance to other denim-themed watches. The 4R36 movement powers the watch, offering a 41-hour power reserve. However, one reviewer found the overall execution crude and the nylon strap a dissonant element, suggesting a different platform would have been more suitable. Some owners also note the watch is a bit large. On balance, owners and reviewers appreciate the 5 Sports SKX series DENHAM Limited Edition for its distinctive denim-inspired aesthetic and unique dial features.

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