Side by side

Borealis Watch Co. Porto CovovsFears Onyx (collective Horology)

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
Onyx (collective Horology)
FearsOnyx (collective Horology)
MSRP $2,833

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
Onyx (collective Horology)39.5mm
Power Reserve
Porto Covo40h
Onyx (collective Horology)40h
Water Resistance
Porto Covo300m
Onyx (collective Horology)15m
MSRP
Porto Covo$415
Onyx (collective Horology)$2,833

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
40mm
39.5mm
Thickness
11.6mm
20mm
Lug-to-Lug
42.5mm
46.95mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
15m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Onyx (Collective Horology)
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
La Joux-Perret G101

Pricing

1 specs
MSRP
$415
$2,833

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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.

Fears Onyx (collective Horology)

Owners widely praise the Fears Onyx (collective Horology) for its exquisite glossy black onyx dial, which displays microscopic striations under magnification. Reviewers note its thin case, under 10.5mm, and a balanced sporty-dressy aesthetic. Water resistance is rated at 150m by one source and 100m by another, and the bracelet features on-the-fly micro-adjustment. Some owners find the 39.5mm diameter slightly large for the style, and one source suggests it doesn't represent top value, though it remains competitive. Overall, owners rate the Fears Onyx highly for its unique stone dial and wearability.

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