Side by side

Borealis Watch Co. Porto CovovsOrient 75th Anniversary RA-AC0Q12L30B

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
75th Anniversary RA-AC0Q12L30B
Orient75th Anniversary RA-AC0Q12L30B
MSRP $405

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
75th Anniversary RA-AC0Q12L30B39.9mm
Power Reserve
Porto Covo40h
75th Anniversary RA-AC0Q12L30B40h
Water Resistance
Porto Covo300m
75th Anniversary RA-AC0Q12L30B200m
MSRP
Porto Covo$415
75th Anniversary RA-AC0Q12L30B$405

Full specifications

Case

5 specs
Diameter
40mm
39.9mm
Thickness
11.6mm
12.8mm
Lug-to-Lug
42.5mm
46.5mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9039
F6722
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
Date

Pricing

1 specs
MSRP
$415
$405

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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.

Orient 75th Anniversary RA-AC0Q12L30B

The Orient 75th Anniversary RA-AC0Q12L30B is widely praised for its classy, dressy aesthetic, beautiful periwinkle or light blue sunray dial with deep-relief radial grooves, and crisp engraved bezel numerals, all within a compact 39.9mm to 40mm case. Owners consider it a great value, with some noting it looks better in person and is destined to become a classic, punching above its price point. One owner finds the dial color too feminine for a dive watch and considered the dial craftsmanship inferior to the Presage Cocktail series, while another flags the lack of lume as a drawback. The bracelet clasp and end links are consistently considered a weak point, and the steel case is noted as less rounded than other Orient divers. The watch features 200m water resistance and a 46.5mm lug-to-lug measurement. Overall, owners rate the Orient 75th Anniversary RA-AC0Q12L30B highly for its stunning dial and compact size at the price.

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