Side by side

Borealis Watch Co. Porto CovovsZelos Hammerhead (Tantalum LE)

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
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Porto Covo40h
Hammerhead (Tantalum LE)40h
Water Resistance
Porto Covo300m
Hammerhead (Tantalum LE)300m
MSRP
Porto Covo$415
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

5 specs
Diameter
40mm
44mm
Thickness
11.6mm
13mm
Lug-to-Lug
42.5mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Seiko NH35

Pricing

1 specs
MSRP
$415
$1,499

Follow this matchup

Get a note when Borealis Watch Co. Porto Covo vs Zelos Hammerhead (Tantalum LE) 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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.