Side by side

Borealis Watch Co. Porto CovovsSeiko Presage Classic Series Seiko 145th Anniversary Limited Edition

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

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Presage Classic Series Seiko 145th Anniversary Limited Edition35mm
Power Reserve
Porto Covo40h
Presage Classic Series Seiko 145th Anniversary Limited Edition72h
Water Resistance
Porto Covo300m
Presage Classic Series Seiko 145th Anniversary Limited Edition50m
MSRP
Porto Covo$415
Presage Classic Series Seiko 145th Anniversary Limited Edition$1,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
35mm
Thickness
11.6mm
12.3mm
Lug-to-Lug
42.5mm
37mm
Lug Width
20mm
11mm
Water Resistance
300m
50m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
6R51
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$1,900

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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.

Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition

The Presage Classic Series Seiko 145th Anniversary Limited Edition features a white enamel dial with black Roman numerals and gold leaf hands, evoking early 20th-century designs. It is powered by the 72-hour calibre 6R51. Overall, owners view the Presage Classic Series Seiko 145th Anniversary Limited Edition as a meaningful family heirloom.

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