Side by side

Borealis Watch Co. Porto CovovsZelos Swordfish Field 38

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
Swordfish Field 38
ZelosSwordfish Field 38
MSRP $399

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Swordfish Field 3838mm
Power Reserve
Porto Covo40h
Swordfish Field 3840h
Water Resistance
Porto Covo300m
Swordfish Field 38200m
MSRP
Porto Covo$415
Swordfish Field 38$399

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
38mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Bronze
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Seiko NH35

Pricing

1 specs
MSRP
$415
$399

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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.

Zelos Swordfish Field 38

Owners widely praise the Zelos Swordfish Field 38 for its comfortable dimensions, noting they are acceptable both on paper and in practice. The Seiko NH35 movement is highlighted for its exceptionally smooth winding feel. On balance, owners rate the Zelos Swordfish Field 38 highly for its value and comfortable wearability.

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