Side by side

Borealis Watch Co. Porto CovovsBremont Supermarine Chrono

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
Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Supermarine Chrono43mm
Power Reserve
Porto Covo40h
Supermarine Chrono40h
Water Resistance
Porto Covo300m
Supermarine Chrono300m
MSRP
Porto Covo$415
Supermarine Chrono$6,850

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
40mm
43mm
Thickness
11.6mm
15.87mm
Lug-to-Lug
42.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel (DLC coated)

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
BE-50AE

Pricing

1 specs
MSRP
$415
$6,850

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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.

Bremont Supermarine Chrono

The Bremont Supermarine Chrono's black dial and understated bezel markings allow it to transition effectively from rugged use to evening events. On balance, owners and reviewers find the Bremont Supermarine Chrono to be a handsome and functional watch, with its versatile dial design being a key strength.

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