Side by side

Borealis Watch Co. Estoril 300 GMTvsGrand Seiko SBGA211

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
SBGA211
Grand SeikoSBGA211
MSRP $6,900

At a glance

13 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
SBGA21141mm
Power Reserve
Estoril 300 GMT40h
SBGA21172h
Water Resistance
Estoril 300 GMT300m
SBGA211100m
MSRP
Estoril 300 GMT$600
SBGA211$6,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41.50mm
41mm
Thickness
13.5mm
12.5mm
Lug-to-Lug
47mm
49mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9075
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$600
$6,900

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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.

Grand Seiko SBGA211

Grand Seiko SBGA211 owners and reviewers widely praise its exceptional finishing, particularly the Zaratsu polishing, and its mesmerizing, textured dial. The Spring Drive movement is consistently highlighted as a technical masterpiece, offering quartz-like accuracy of +/- 1 second per day and a smooth seconds sweep. Its lightweight titanium construction and 41mm case size contribute to a comfortable and wearable design. However, some owners find the dial texture less captivating in person than in photos, and there are mixed opinions on the bracelet's adjustment system and perceived quality relative to the price. Some also note its thickness and lack of lume. Overall, owners and reviewers rate the Grand Seiko SBGA211 highly for its unique dial and superb finishing, making it a highly regarded icon.

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