Side by side

Borealis Watch Co. Porto CovovsCitizen Zenshin Mechanical

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
Zenshin Mechanical
CitizenZenshin Mechanical
MSRP $488

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Zenshin Mechanical40.5mm
Power Reserve
Porto Covo40h
Zenshin Mechanical40h
Water Resistance
Porto Covo300m
Zenshin Mechanical100m
MSRP
Porto Covo$415
Zenshin Mechanical$488

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
40.5mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
Material
Stainless Steel
Super Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
8213

Pricing

1 specs
MSRP
$415
$488

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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.

Citizen Zenshin Mechanical

The Citizen Zenshin Mechanical is widely praised for its exceptional value, lightweight and scratch-resistant Super Titanium case, and superb, textured dials. Owners and reviewers highlight the refined finishing and comfortable wearability due to the titanium construction and integrated bracelet design. The 60-hour power reserve automatic movement is noted as a strong point, with some finding the accuracy to be precise while others desire tighter tolerances. The integrated bracelet limits strap changes, and opinions on the bracelet and clasp quality are mixed, with some finding them cheap-feeling and others appreciating the design. The Citizen Zenshin Mechanical is priced around EUR 499, though one owner reported a purchase price of €360. Overall, owners and reviewers rate the Citizen Zenshin Mechanical highly for its impressive cost-benefit ratio and attractive, comfortable design.

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