Side by side

Borealis Watch Co. Porto CovovsSpinnaker Bradner Pearl Diver

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
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Bradner Pearl Diver42mm
Power Reserve
Porto Covo40h
Bradner Pearl Diver40h
Water Resistance
Porto Covo300m
Bradner Pearl Diver180m
MSRP
Porto Covo$415
Bradner Pearl Diver$370

Full specifications

Case

6 specs
Diameter
40mm
42mm
Thickness
11.6mm
15mm
Lug-to-Lug
42.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
180m

Crystal & Dial

2 specs
Dial Color
Black
Emerald
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
SII NH35A

Pricing

1 specs
MSRP
$415
$370

Follow this matchup

Get a note when Borealis Watch Co. Porto Covo vs Spinnaker Bradner Pearl Diver gets more votes, a community discussion, or a price drop. No account needed.

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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.