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Borealis Watch Co. Estoril 300 GMT
Ref. borealis-estoril-300-gmt-black-dial-arabic-numbers-black-red-bezel-date-version-k
DiverMicrobrand
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.
14 Variants
Lume:BGW9
Retail MSRP
$600
Low
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Avg
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High
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Static data
Case
41.50mm
Power Reserve
—
Movement
Automatic
Water Resistance
300m
01
Case Dimensions
Diameter41.50mm
Thickness—
Lug-to-Lug—
Lug Width—
02
Case Build
MaterialStainless Steel
Water Resistance300m
03
Crystal & Dial
CrystalSapphire
LumeBGW9
04
Movement
Caliber
TypeAutomatic
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleMatte
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026