Side by side
Castor Watches KOI DARKvsDryden Heartlander Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
KOI DARK38mm
Heartlander Automatic38mm
Power Reserve
KOI DARK—
Heartlander Automatic40h
Water Resistance
KOI DARK50m
Heartlander Automatic101m
MSRP
KOI DARK—
Heartlander Automatic$600
Full specifications
Case
6 specsCategory
—
Field
Thickness
7mm
11.2mm
Lug-to-Lug
—
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
101m
Crystal & Dial
2 specsCrystal
Mineral
Domed Sapphire
Dial Color
Copper
Goldfinch
Movement
3 specsCaliber
Miyota 2035
Miyota 9039
Type
Quartz
Automatic
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$600
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