Side by side
Borealis Watch Co. NeptunovsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Neptuno40.00mm
D4 Outerknown Solar Diver39mm
Power Reserve
Neptuno40h
D4 Outerknown Solar Diver40h
Water Resistance
Neptuno300m
D4 Outerknown Solar Diver200m
MSRP
Neptuno$390
D4 Outerknown Solar Diver$549
Full specifications
Case
6 specsDiameter
40.00mm
39mm
Thickness
14.10mm
13.18mm
Lug-to-Lug
47.20mm
46mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Blue
Lume
BGW9
None
Movement
2 specsCaliber
NH38
—
Type
Automatic
Quartz
Pricing
1 specsMSRP
$390
$549
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