Side by side

Borealis Watch Co. Estoril 300 GMTvsLorier Astra Cosmic Blue

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
Astra Cosmic Blue
LorierAstra Cosmic Blue
MSRP $499

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Astra Cosmic Blue36mm
Power Reserve
Estoril 300 GMT40h
Astra Cosmic Blue40h
Water Resistance
Estoril 300 GMT300m
Astra Cosmic Blue50m
MSRP
Estoril 300 GMT$600
Astra Cosmic Blue$499

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
41.50mm
36mm
Thickness
13.5mm
Lug-to-Lug
47mm
Lug Width
20mm
18mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075

Pricing

1 specs
MSRP
$600
$499

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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. 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.

Lorier Astra Cosmic Blue

Owners widely praise the Lorier Astra Cosmic Blue for its beautiful, vintage 1960s aesthetic and comfortable 36mm size, fitting well even after initial adjustment. Some community members appreciate its clean lines and attractive design, though a few wish for more variation in the brand's case and bracelet designs across its models. Overall, owners rate the Lorier Astra Cosmic Blue highly for its stunning, dressy vintage appeal and wearability.

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