Side by side
Borealis Watch Co. Porto CovovsLoresum LS04
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
LS0439.5mm
Power Reserve
Porto Covo40h
LS0440h
Water Resistance
Porto Covo300m
LS0450m
MSRP
Porto Covo$415
LS04—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
39.5mm
Thickness
11.6mm
9mm
Lug-to-Lug
42.5mm
46.5mm
Lug Width
20mm
20mm
Water Resistance
300m
50m
Crystal & Dial
2 specsDial Color
Black
Blue Aventurine
Lume
BGW9
Super-LumiNova® BGW9
Movement
1 specsCaliber
Miyota 9039
Miyota 9015
Pricing
1 specsMSRP
$415
—
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