Side by side
Castor Watches KOI DARKvsCitizen Promaster 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
KOI DARK38mm
Promaster Diver36.5mm
Power Reserve
KOI DARK—
Promaster Diver40h
Water Resistance
KOI DARK50m
Promaster Diver200m
MSRP
KOI DARK—
Promaster Diver$319
Full specifications
Case
7 specsCategory
—
Diver
Diameter
38mm
36.5mm
Thickness
7mm
12mm
Lug-to-Lug
—
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m
Crystal & Dial
1 specsDial Color
Copper
White
Movement
3 specsCaliber
Miyota 2035
E168
Type
Quartz
Solar
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$319
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