Side by side
Borealis Watch Co. Porto CovovsKUOE HOLBORN 90-003
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Porto Covo40mm
HOLBORN 90-00326mm
Power Reserve
Porto Covo40h
HOLBORN 90-00340h
Water Resistance
Porto Covo300m
HOLBORN 90-00350m
MSRP
Porto Covo$415
HOLBORN 90-003$405
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
40mm
26mm
Thickness
11.6mm
8mm
Lug-to-Lug
42.5mm
33mm
Lug Width
20mm
12mm
Water Resistance
300m
50m
Crystal & Dial
4 specsCrystal Shape
Flat
Dome
AR Coating
Inner
Yes
Dial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
Miyota 1L45
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$405
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