Side by side

Castor Watches KOI DARKvsVaer D4 Outerknown Solar Diver

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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KOI DARK
Castor WatchesKOI DARK
D4 Outerknown Solar Diver
VaerD4 Outerknown Solar Diver
MSRP $549
Buy from Castor Watches ↗
Buy used on eBay ↗
Buy from Vaer ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
KOI DARK38mm
D4 Outerknown Solar Diver39mm
Power Reserve
KOI DARK—
D4 Outerknown Solar Diver40h
Water Resistance
KOI DARK50m
D4 Outerknown Solar Diver200m
MSRP
KOI DARK—
D4 Outerknown Solar Diver$549

Full specifications

Case

6 specs
Category
—
Diver
Diameter
38mm
39mm
Thickness
7mm
13.18mm
Lug-to-Lug
—
46mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Domed Sapphire
Dial Color
Copper
Blue

Movement

2 specs
Caliber
Miyota 2035
—
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$549
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