Side by side

Borealis Watch Co. Porto CovovsSpinnaker Hull 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
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Hull Diver42mm
Power Reserve
Porto Covo40h
Hull Diver40h
Water Resistance
Porto Covo300m
Hull Diver300m
MSRP
Porto Covo$415
Hull Diver$375

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
11.6mm
15mm
Lug-to-Lug
42.5mm
47.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
Green
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
SII NH35A

Pricing

1 specs
MSRP
$415
$375

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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.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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