Side by side
Borealis Watch Co. Porto CovovsStraton Straton Daily Driver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Porto Covo40mm
Straton Daily Driver44mm
Power Reserve
Porto Covo40h
Straton Daily Driver—
Water Resistance
Porto Covo300m
Straton Daily Driver200m
MSRP
Porto Covo$415
Straton Daily Driver$299
Full specifications
Case
9 specsCategory
Diver
Chronograph
Diameter
40mm
44mm
Thickness
11.6mm
14mm
Lug-to-Lug
42.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
200m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
5 specsCaliber
Miyota 9039
Miyota 6S21
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$415
$299
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