Side by side
Borealis Watch Co. Porto CovovsCircula Watches AquaSport GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Porto Covo40mm
AquaSport GMT40mm
Power Reserve
Porto Covo40h
AquaSport GMT56h
Water Resistance
Porto Covo300m
AquaSport GMT200m
MSRP
Porto Covo$415
AquaSport GMT—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
40mm
Thickness
11.6mm
12.6mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
Sellita SW330-2
Power Reserve
40h
56h
Pricing
1 specsMSRP
$415
—
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