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Borealis Watch Co. Porto CovovsNaga Watches Opera

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
Opera
Naga WatchesOpera
MSRP $917
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At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Opera39mm
Power Reserve
Porto Covo40h
Opera—
Water Resistance
Porto Covo300m
Opera100m
MSRP
Porto Covo$415
Opera$917

Full specifications

Case

6 specs
Category
Diver
—
Diameter
40mm
39mm
Thickness
11.6mm
10mm
Lug-to-Lug
42.5mm
—
Lug Width
20mm
—
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Lapislazuli
Lume
BGW9
None

Movement

1 specs
Power Reserve
40h
—

Pricing

1 specs
MSRP
$415
—
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