Side by side

Borealis Watch Co. Porto CovovsGrand Seiko SBGR299

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
SBGR299
Grand SeikoSBGR299
MSRP $4,300
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 SBGR299

Owners widely praise the Grand Seiko SBGR299 for its striking blue second hand, silver rhodium dial, no-date design, and the impressive 72-hour power reserve, noting its excellent value. The watch's high polish finishing is frequently described as outstanding, akin to a polished samurai sword. Some owners express concern over legibility due to silver hands on a silver dial, though this is not a universal sentiment. One owner reported accuracy of approximately -20 seconds per day, while another found the 42mm case size wearable. The pre-owned price is noted around $3,399.00. Overall, owners rate the Grand Seiko SBGR299 highly for its exceptional finishing and distinctive design elements at its price point.

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
SBGR29942mm
Power Reserve
Porto Covo40h
SBGR29972h
Water Resistance
Porto Covo300m
SBGR299100m
MSRP
Porto Covo$415
SBGR299$4,300

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
42mm
Thickness
11.6mm
13.1mm
Lug-to-Lug
42.5mm
47.9mm
Lug Width
20mm
21mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
9S61
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$4,300
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