Side by side
Cincinnati Watch Company Blue enamel over GuillochévsBorealis Watch Co. Estoril 300 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Blue enamel over Guilloché38mm
Estoril 300 GMT41.50mm
Power Reserve
Blue enamel over Guilloché45h
Estoril 300 GMT40h
Water Resistance
Blue enamel over Guilloché100m
Estoril 300 GMT300m
MSRP
Blue enamel over Guilloché$1,995
Estoril 300 GMT$600
Full specifications
Case
9 specsCategory
Dress
Diver
Diameter
38mm
41.50mm
Thickness
10.2mm
13.5mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
—
Brushed and polished
Water Resistance
100m
300m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Silver
Black
Indices
—
Applied
Lume
None
BGW9
Movement
5 specsCaliber
Sellita SW210-1
Miyota 9075
Type
Manual
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
45h
40h
Jewels
18
25
Pricing
1 specsMSRP
$1,995
$600
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