Side by side

Borealis Watch Co. Porto CovovsSheffield Deep Gray 300

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415
Deep Gray 300
SheffieldDeep Gray 300
MSRP $258
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Deep Gray 30042mm
Power Reserve
Porto Covo40h
Deep Gray 30040h
Water Resistance
Porto Covo300m
Deep Gray 300300m
MSRP
Porto Covo$415
Deep Gray 300$258

Full specifications

Case

5 specs
Category
Diver
—
Diameter
40mm
42mm
Thickness
11.6mm
13.8mm
Lug-to-Lug
42.5mm
52mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Dial Color
Black
—
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Seiko NH35

Pricing

1 specs
MSRP
$415
—
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