Side by side

Borealis Watch Co. Estoril 300 GMTvsBorealis Watch Co. Porto Covo

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600
Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415

At a glance

5 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Porto Covo40mm
Power Reserve
Estoril 300 GMT40h
Porto Covo40h
Water Resistance
Estoril 300 GMT300m
Porto Covo300m
MSRP
Estoril 300 GMT$600
Porto Covo$415

Full specifications

Case

3 specs
Diameter
41.50mm
40mm
Thickness
13.5mm
11.6mm
Lug-to-Lug
47mm
42.5mm

Movement

1 specs
Caliber
Miyota 9075
Miyota 9039

Pricing

1 specs
MSRP
$600
$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. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

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.

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