Side by side

Borealis Watch Co. Estoril 300 GMTvsCWC Automatic Divers Watch Mk.2 Black

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
Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249

At a glance

8 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Automatic Divers Watch Mk.2 Black41mm
Power Reserve
Estoril 300 GMT40h
Automatic Divers Watch Mk.2 Black40h
Water Resistance
Estoril 300 GMT300m
Automatic Divers Watch Mk.2 Black300m
MSRP
Estoril 300 GMT$600
Automatic Divers Watch Mk.2 Black$1,249

Full specifications

Case

4 specs
Diameter
41.50mm
41mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
47mm
Lug Width
20mm
20mm

Crystal & Dial

2 specs
Dial Color
Black
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Lume
BGW9
Super-LumiNova

Movement

1 specs
Caliber
Miyota 9075
Sellita SW200-1

Pricing

1 specs
MSRP
$600
$1,249

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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.

CWC Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

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