Side by side

Borealis Watch Co. Porto CovovsSternglas Naos Edition Sport

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 Edition Sport
SternglasNaos Edition Sport
MSRP $269

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Naos Edition Sport38mm
Power Reserve
Porto Covo40h
Naos Edition Sport
Water Resistance
Porto Covo300m
Naos Edition Sport50m
MSRP
Porto Covo$415
Naos Edition Sport$269

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
40mm
38mm
Thickness
11.6mm
8mm
Lug-to-Lug
42.5mm
41mm
Lug Width
20mm
20mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9039
Ronda 715
Type
Automatic
Quartz
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$415
$269

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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 Edition Sport

Owners widely praise the Sternglas Naos Edition Sport for its durability and refined daily wearability, easily transitioning between casual and dressier occasions. The sapphire crystal remains scratchless, and the steel case holds up well, though some users report minor bezel micro-scratching. One owner found the original tan strap showed significant wear and fraying within a year, necessitating a replacement. Opinions are split on the watch's aesthetic; some describe it as underwhelming with a printed-on face, small font, and toy-like hands, feeling cheap and looking worse in person, while others love the watch and find it looks fantastic. Some owners in the line also note that certain variants wear smaller than expected, with a desire for smaller case sizes for slender wrists. On balance, owners rate the Sternglas Naos Edition Sport highly for its durable construction and versatile design, despite some reservations about its dial finishing and strap quality.

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