Side by side

Borealis Watch Co. Porto CovovsSternglas Naos Solar

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
Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Naos Solar38mm
Power Reserve
Porto Covo40h
Naos Solar
Water Resistance
Porto Covo300m
Naos Solar50m
MSRP
Porto Covo$415
Naos Solar$323

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
38mm
Thickness
11.6mm
10mm
Lug-to-Lug
42.5mm
42mm
Lug Width
20mm
20mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
Luminova Punkten

Movement

4 specs
Caliber
Miyota 9039
Seiko VJ76
Type
Automatic
Solar
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$415
$323

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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.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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