Side by side

Borealis Watch Co. Estoril 300 GMTvsCIGA Design BLACK STAR

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
BLACK STAR
CIGA DesignBLACK STAR
MSRP $1,980

At a glance

13 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
BLACK STAR46mm
Power Reserve
Estoril 300 GMT40h
BLACK STAR41h
Water Resistance
Estoril 300 GMT300m
BLACK STAR30m
MSRP
Estoril 300 GMT$600
BLACK STAR$1,980

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41.50mm
46mm
Thickness
13.5mm
15.6mm
Lug-to-Lug
47mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
Black
—
Lume
BGW9
Swiss Super-LumiNova

Movement

3 specs
Caliber
Miyota 9075
CD-04-S
Power Reserve
40h
41h
Jewels
25
26

Pricing

1 specs
MSRP
$600
$1,980

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