Side by side
Borealis Watch Co. Porto CovovsLum-Tec B68 Day Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Porto Covo40mm
B68 Day Date44mm
Power Reserve
Porto Covo40h
B68 Day Date40h
Water Resistance
Porto Covo300m
B68 Day Date200m
MSRP
Porto Covo$415
B68 Day Date$595
Full specifications
Case
7 specsCategory
Diver
Sport
Diameter
40mm
44mm
Thickness
11.6mm
—
Lug-to-Lug
42.5mm
51.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
B68 Day Date
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
Ronda 515
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$595
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