Side by side

Borealis Watch Co. Porto CovovsCitizen Promaster Diver Automatic

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 Diver Automatic
CitizenPromaster Diver Automatic
MSRP $469

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Promaster Diver Automatic44mm
Power Reserve
Porto Covo40h
Promaster Diver Automatic40h
Water Resistance
Porto Covo300m
Promaster Diver Automatic200m
MSRP
Porto Covo$415
Promaster Diver Automatic$469

Full specifications

Case

5 specs
Diameter
40mm
44mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
8204

Pricing

1 specs
MSRP
$415
$469

Follow this matchup

Get a note when Borealis Watch Co. Porto Covo vs Citizen Promaster Diver Automatic gets more votes, a community discussion, or a price drop. No account needed.

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 Diver Automatic

Owners widely praise the Citizen Promaster Diver Automatic for its lightweight titanium build, comfortable wear, and good specifications at its price point, with one owner highlighting its accuracy and dynamic dial made from recycled materials. Some users find the bezel action spongy and the bracelet subpar, while others note the overall finish is basic due to the brushed titanium. A reviewer also points out a preference for sapphire crystal and ceramic bezel inserts. On balance, owners rate the Citizen Promaster Diver Automatic highly for its value proposition as an affordable, lightweight, and accurate dive watch.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.