Side by side
Borealis Watch Co. Porto CovovsSeestern S471 Double Crown Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Porto Covo40mm
S471 Double Crown Diver38mm
Power Reserve
Porto Covo40h
S471 Double Crown Diver35h+h
Water Resistance
Porto Covo300m
S471 Double Crown Diver100m
MSRP
Porto Covo$415
S471 Double Crown Diver$179
Full specifications
Case
6 specsDiameter
40mm
38mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
40.3mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
None
Movement
5 specsCaliber
Miyota 9039
Miyota 8215
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h+h
Jewels
25
21
Complications
None
Date
Pricing
1 specsMSRP
$415
$179
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