Side by side

Borealis Watch Co. Porto CovovsHamilton Jazzmaster Viewmatic Auto

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
Jazzmaster Viewmatic Auto
HamiltonJazzmaster Viewmatic Auto
MSRP $995

At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Jazzmaster Viewmatic Auto40mm
Power Reserve
Porto Covo40h
Jazzmaster Viewmatic Auto80h
Water Resistance
Porto Covo300m
Jazzmaster Viewmatic Auto50m
MSRP
Porto Covo$415
Jazzmaster Viewmatic Auto$995

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
40mm
Thickness
11.6mm
10.8mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
50m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$415
$995

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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.

Hamilton Jazzmaster Viewmatic Auto

Owners widely praise the Hamilton Jazzmaster Viewmatic Auto for its classic yet modern aesthetic, comfortable 37mm size suitable for smaller wrists, and superb case finishing for the price. The textured silver dial and subtle blue hands are noted as appealing details, and the watch is seen as versatile for both casual and formal wear. Accuracy is reported as impressive, with some owners observing deviations of only 1-2 seconds per day. One owner noted a discrepancy in the stated case thickness, with Hamilton listing 10.10mm. On balance, owners rate the Hamilton Jazzmaster Viewmatic Auto highly for its excellent value and versatile, classic design.

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