Side by side

Borealis Watch Co. Porto CovovsGrand Seiko SBGD201

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
SBGD201
Grand SeikoSBGD201

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
SBGD20143mm
Power Reserve
Porto Covo40h
SBGD201192h
Water Resistance
Porto Covo300m
SBGD201100m
MSRP
Porto Covo$415
SBGD201

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
43mm
Thickness
11.6mm
13.2mm
Lug-to-Lug
42.5mm
51.8mm
Lug Width
20mm
22mm
Material
Stainless Steel
Platinum
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
9R01
Type
Automatic
Spring Drive
Power Reserve
40h
192h

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.

Grand Seiko SBGD201

Grand Seiko SBGD201 owners and reviewers praise its stellar platinum case with Zaratsu polishing and diamond-dust dial, with one reviewer calling it the most beautiful Grand Seiko they have seen. Its Spring Drive caliber 9R01 movement offers an 8-day power reserve from three barrels. While some find the 43mm size too large for its design, others find the 168-gram platinum case comfortable despite its heft. Some community members note the movement finishing is simplistic for its price point and would prefer the artistic finesse of higher-end alternatives. On balance, enthusiasts and reviewers highly regard the Grand Seiko SBGD201 for its exquisite finishing and impressive technical specifications at its price.

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