Side by side

Borealis Watch Co. Porto CovovsTissot Seastar 1000

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
TissotSeastar 1000
MSRP $875

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Seastar 100040mm
Power Reserve
Porto Covo40h
Seastar 100080h
Water Resistance
Porto Covo300m
Seastar 1000300m
MSRP
Porto Covo$415
Seastar 1000$875

Full specifications

Case

4 specs
Diameter
40mm
40mm
Thickness
11.6mm
12.48mm
Lug-to-Lug
42.5mm
40mm
Lug Width
20mm
20mm

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Black
Graded grey-black
Indices
Applied
Indexes
Lume
BGW9
Super-LumiNova ®

Movement

2 specs
Caliber
Miyota 9039
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$415
$875

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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

Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

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