Side by side

Borealis Watch Co. Porto CovovsZelos Nova 37

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
Nova 37
ZelosNova 37
MSRP $899

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Nova 3737mm
Power Reserve
Porto Covo40h
Nova 3740h
Water Resistance
Porto Covo300m
Nova 3750m
MSRP
Porto Covo$415
Nova 37$899

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
37mm
Thickness
11.6mm
7mm
Lug-to-Lug
42.5mm
37mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Salmon
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
ETA 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$415
$899

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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.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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