Side by side

Borealis Watch Co. Porto CovovsTissot Seastar 1000 GMT

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
Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Seastar 1000 GMT40mm
Power Reserve
Porto Covo40h
Seastar 1000 GMT40h
Water Resistance
Porto Covo300m
Seastar 1000 GMT300m
MSRP
Porto Covo$415
Seastar 1000 GMT$575

Full specifications

Case

4 specs
Diameter
40mm
40mm
Thickness
11.6mm
11.77mm
Lug-to-Lug
42.5mm
40mm
Lug Width
20mm
20mm

Crystal & Dial

2 specs
Indices
Applied
Indexes
Lume
BGW9
Super-LumiNova ®

Movement

2 specs
Caliber
Miyota 9039
11 1/2'''
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
$575

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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.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

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