Side by side
Borealis Watch Co. Porto CovovsCincinnati Watch Company Rising Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Porto Covo40mm
Rising Star38mm
Power Reserve
Porto Covo40h
Rising Star45h
Water Resistance
Porto Covo300m
Rising Star100m
MSRP
Porto Covo$415
Rising Star$1,995
Full specifications
Case
9 specsCategory
Diver
Dress
Diameter
40mm
38mm
Thickness
11.6mm
10.2mm
Lug-to-Lug
42.5mm
46.5mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
Silver
Indices
Applied
—
Lume
BGW9
None
Movement
5 specsCaliber
Miyota 9039
Sellita SW210-1
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
45h
Jewels
25
18
Pricing
1 specsMSRP
$415
$1,995
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