Side by side

Borealis Watch Co. Porto CovovsCitizen Promaster Skyhawk U830

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
Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
Promaster Skyhawk U83043mm
Power Reserve
Porto Covo40h
Promaster Skyhawk U83040h
Water Resistance
Porto Covo300m
Promaster Skyhawk U830200m
MSRP
Porto Covo$415
Promaster Skyhawk U830$596

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
40mm
43mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
Blue
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
U830
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
$596

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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 Promaster Skyhawk U830

The Citizen Promaster Skyhawk U830 is praised for its updated 43mm titanium case, legible memory-in-pixel display, and cleaner, less cluttered design compared to previous versions. Reviewers highlight its versatile contemporary look and enhanced functionality from the caliber U830, while owners appreciate the MIP display and screw-down caseback. Some users find the interface clunky and the face busy, particularly noting the "calendar" label and the lack of radio or GPS time synchronization, with one owner finding the 45mm size and busy subdials less useful for non-pilots. On balance, owners and reviewers rate the Citizen Promaster Skyhawk U830 highly for its impressive technology and improved legibility in a contemporary package.

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