Side by side

Borealis Watch Co. Porto CovovsTissot Seastar 1000 Chronograph

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 Chronograph
TissotSeastar 1000 Chronograph
MSRP $650

At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Seastar 1000 Chronograph45.5mm
Power Reserve
Porto Covo40h
Seastar 1000 Chronograph40h
Water Resistance
Porto Covo300m
Seastar 1000 Chronograph300m
MSRP
Porto Covo$415
Seastar 1000 Chronograph$650

Full specifications

Case

4 specs
Diameter
40mm
45.5mm
Thickness
11.6mm
12.82mm
Lug-to-Lug
42.5mm
45.5mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
BGW9
Super-LumiNova ®

Movement

2 specs
Caliber
Miyota 9039
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
$650

Follow this matchup

Get a note when Borealis Watch Co. Porto Covo vs Tissot Seastar 1000 Chronograph 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.

Tissot Seastar 1000 Chronograph

Owners widely praise the Tissot Seastar 1000 Chronograph for its captivating blue dial, excellent case finishing, and legible matte dial, with some noting its Powermatic 80 movement offers remarkable accuracy averaging -0.6 seconds per day and an 80-hour power reserve. The ceramic bezel is also frequently highlighted as exceptionally well-done, and the bracelet is described as surprisingly strong. However, multiple owners report issues including bezel looseness, paint chipping, flooding, a broken crown, and a protruding case back causing discomfort. Some find the watch too large, with one owner noting unfinished case sides and a crown pattern that digs into fingers. Overall, owners rate the Tissot Seastar 1000 Chronograph highly for its impressive finishing and value, despite a notable number of reports concerning durability and comfort issues.

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.