Side by side
Borealis Watch Co. Porto CovovsSmith & Bradley Springfield 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
Springfield GMT44mm
Power Reserve
Porto Covo40h
Springfield GMT40h
Water Resistance
Porto Covo300m
Springfield GMT100m
MSRP
Porto Covo$415
Springfield GMT$199
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
40mm
44mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
Superluminova
Movement
2 specsCaliber
Miyota 9039
Ronda
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$199
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