Side by side
Borealis Watch Co. Porto CovovsSheffield 1A 38
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
1A 3838mm
Power Reserve
Porto Covo40h
1A 38—
Water Resistance
Porto Covo300m
1A 38200m
MSRP
Porto Covo$415
1A 38$238
Full specifications
Case
5 specsDiameter
40mm
38mm
Thickness
11.6mm
12.8mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$415
$238
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