Side by side
Borealis Watch Co. Caloura 300mvsVaer 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
Caloura 300m42mm
D4 Outerknown Solar Diver39mm
Power Reserve
Caloura 300m40h
D4 Outerknown Solar Diver40h
Water Resistance
Caloura 300m300m
D4 Outerknown Solar Diver200m
MSRP
Caloura 300m$275
D4 Outerknown Solar Diver$549
Full specifications
Case
6 specsDiameter
42mm
39mm
Thickness
13.9mm
13.18mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
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
NH35
—
Type
Automatic
Quartz
Pricing
1 specsMSRP
$275
$549
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