Side by side
Borealis Watch Co. Porto CovovsOak & Oscar The Humboldt GMT USSS Edition
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
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Porto Covo40h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Porto Covo300m
The Humboldt GMT USSS Edition200m
MSRP
Porto Covo$415
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
8 specsCategory
Diver
GMT
Diameter
40mm
39.5mm
Thickness
11.6mm
12.5mm
Lug-to-Lug
42.5mm
46.8mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Caseback
Solid
Engraved
Crystal & Dial
2 specsCrystal Shape
Flat
Double-domed
Lume
BGW9
Super-LumiNova BGW9
Movement
2 specsCaliber
Miyota 9039
Sellita SW330
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$415
$2,200
Follow this matchup
Get a note when Borealis Watch Co. Porto Covo vs Oak & Oscar The Humboldt GMT USSS Edition gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Baltic Aquascaphe Dual-CrownvsOak & Oscar The Humboldt GMT USSS EditionBaltic Aquascaphe TitaniumvsOak & Oscar The Humboldt GMT USSS EditionBaltic Aquascaphe BronzevsOak & Oscar The Humboldt GMT USSS EditionGeckota Ocean-Scout Dive WatchvsOak & Oscar The Humboldt GMT USSS EditionBorealis Watch Co. Porto CovovsOak & Oscar The Humboldt GMTBorealis Watch Co. Porto CovovsOak & Oscar The Humboldt GMT SAR Edition










