Side by side

Borealis Watch Co. Porto CovovsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
SBGM24540.5mm
Power Reserve
Porto Covo40h
SBGM24572h
Water Resistance
Porto Covo300m
SBGM245200m
MSRP
Porto Covo$415
SBGM245$6,100

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
40.5mm
Thickness
11.6mm
14.4mm
Lug-to-Lug
42.5mm
48.6mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$6,100

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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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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