Side by side

Borealis Watch Co. Estoril 300 GMTvsSeiko Coutura

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600
Coutura
SeikoCoutura
MSRP $625

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Coutura45.3mm
Power Reserve
Estoril 300 GMT40h
Coutura40h
Water Resistance
Estoril 300 GMT300m
Coutura100m
MSRP
Estoril 300 GMT$600
Coutura$625

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41.50mm
45.3mm
Thickness
13.5mm
11.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
12mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9075
8B92
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$600
$625

Follow this matchup

Get a note when Borealis Watch Co. Estoril 300 GMT vs Seiko Coutura 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. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

Seiko Coutura

Owners widely report the Seiko Coutura's metal treatments are very wear-resistant, with one owner noting minimal scratching after six years. Reviewers and owners appreciate its solar-powered movement, perpetual calendar, and radio sync features, with some finding its unique, futuristic styling captivating and a great value, while others describe the dial as too busy or gaudy. Some owners find the watch large and complicated to set initially, and one owner experienced issues with the solar power reserve requiring constant light exposure. On balance, owners and reviewers rate the Seiko Coutura well for its durable construction and practical solar and perpetual calendar features, despite polarizing design opinions.

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.