Side by side
Borealis Watch Co. Porto CovovsManufaktur Waldhoff Atlas 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
Atlas GMT41mm
Power Reserve
Porto Covo40h
Atlas GMT41h
Water Resistance
Porto Covo300m
Atlas GMT300m
MSRP
Porto Covo$415
Atlas GMT$548
Full specifications
Case
5 specsCategory
Diver
—
Diameter
40mm
41mm
Thickness
11.6mm
13.5mm
Lug-to-Lug
42.5mm
—
Lug Width
20mm
20mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Black
—
Lume
BGW9
C3
Movement
2 specsCaliber
Miyota 9039
Seiko NH34
Power Reserve
40h
41h
Pricing
1 specsMSRP
$415
$548
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