Side by side

Borealis Watch Co. Estoril 300 GMTvsChristopher Ward C63 Sealander Extreme GMT

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
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075

At a glance

12 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
C63 Sealander Extreme GMT40mm
Power Reserve
Estoril 300 GMT40h
C63 Sealander Extreme GMT56h
Water Resistance
Estoril 300 GMT300m
C63 Sealander Extreme GMT150m
MSRP
Estoril 300 GMT$600
C63 Sealander Extreme GMT$2,075

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41.50mm
40mm
Thickness
13.5mm
12.05mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
22mm
Water Resistance
300m
150m

Crystal & Dial

1 specs
Lume
BGW9
SLN X1 BL / GL

Movement

4 specs
Caliber
Miyota 9075
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT

Pricing

1 specs
MSRP
$600
$2,075

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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.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

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