Side by side
Borealis Watch Co. Porto CovovsHublot Big Bang One Click Sapphire Rainbow 39mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Porto Covo40mm
Big Bang One Click Sapphire Rainbow 39mm39mm
Power Reserve
Porto Covo40h
Big Bang One Click Sapphire Rainbow 39mm50h
Water Resistance
Porto Covo300m
Big Bang One Click Sapphire Rainbow 39mm100m
MSRP
Porto Covo$415
Big Bang One Click Sapphire Rainbow 39mm$91,000
Full specifications
Case
8 specsCategory
Diver
Mechanical
Diameter
40mm
39mm
Thickness
11.6mm
—
Lug-to-Lug
42.5mm
—
Lug Width
20mm
—
Finish
Brushed and polished
Steel
Water Resistance
300m
100m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Rainbow
Indices
Applied
—
Lume
BGW9
None
Movement
4 specsCaliber
Miyota 9039
HUB1710
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
50h
Jewels
25
0
Pricing
1 specsMSRP
$415
$91,000
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