Side by side
Borealis Watch Co. Porto CovovsOblvlo GCM Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Porto Covo40mm
GCM Mechanical41mm
Power Reserve
Porto Covo40h
GCM Mechanical42h
Water Resistance
Porto Covo300m
GCM Mechanical50m
MSRP
Porto Covo$415
GCM Mechanical$231
Full specifications
Case
6 specsCategory
Diver
Sport
Diameter
40mm
41mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
21mm
Water Resistance
300m
50m
Crystal & Dial
1 specsLume
BGW9
Super-LumiNova
Movement
2 specsCaliber
Miyota 9039
Miyota 82S5
Power Reserve
40h
42h
Pricing
1 specsMSRP
$415
$231
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