Side by side

Borealis Watch Co. Porto CovovsGrand Seiko SBGH349

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
SBGH349
Grand SeikoSBGH349
MSRP $7,800

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
SBGH34940mm
Power Reserve
Porto Covo40h
SBGH34955h
Water Resistance
Porto Covo300m
SBGH349100m
MSRP
Porto Covo$415
SBGH349$7,800

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
40mm
Thickness
11.6mm
13mm
Lug-to-Lug
42.5mm
46.6mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$415
$7,800

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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.

Grand Seiko SBGH349

The Grand Seiko SBGH349 "Icefall" is widely praised for its stunning, deeply finished light blue dial, sharp case lines, and lightweight 40mm titanium construction. Owners and reviewers consistently highlight its understated, over-engineered finishing and practical yet obsessive build, making it suitable for daily wear and special occasions. The 13mm thickness is noted to work well with the 40mm case size, softened by the titanium material. The watch houses the automatic hi-beat 9S85 movement, offering a 55-hour power reserve and magnetic resistance of 4,800 A/m, with accuracy rated at +5 to -3 seconds per day. One reviewer notes that while the five-row bracelet is visually impressive, its clasp lacks micro-adjustability. The Grand Seiko SBGH349 is priced at $7,400 or €8,000. Overall, owners and reviewers rate the Grand Seiko SBGH349 highly for its exceptional finishing and comfortable, lightweight titanium build.

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