Side by side
Borealis Watch Co. Porto CovovsWolbrook JetFlyer Automatic Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Porto Covo40mm
JetFlyer Automatic Chronograph38mm
Power Reserve
Porto Covo40h
JetFlyer Automatic Chronograph40h
Water Resistance
Porto Covo300m
JetFlyer Automatic Chronograph100m
MSRP
Porto Covo$415
JetFlyer Automatic Chronograph$845
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
40mm
38mm
Thickness
11.6mm
12.1mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Lume
BGW9
None
Movement
1 specsCaliber
Miyota 9039
Jeambrun PS 6402
Pricing
1 specsMSRP
$415
$845
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