Side by side

Borealis Watch Co. Porto CovovsRedux Zero-Hour

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
Zero-Hour
ReduxZero-Hour

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Zero-Hour39mm
Power Reserve
Porto Covo40h
Zero-Hour41h
Water Resistance
Porto Covo300m
Zero-Hour200m
MSRP
Porto Covo$415
Zero-Hour

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
39mm
Thickness
11.6mm
13.7mm
Lug-to-Lug
42.5mm
46.6mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$415

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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.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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