Side by side
Castor Watches KOI DARKvsSeiko Essentials Quartz (Ladies)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
KOI DARK38mm
Essentials Quartz (Ladies)34mm
Power Reserve
KOI DARK—
Essentials Quartz (Ladies)40h
Water Resistance
KOI DARK50m
Essentials Quartz (Ladies)100m
MSRP
KOI DARK—
Essentials Quartz (Ladies)$315
Full specifications
Case
7 specsCategory
—
Dress
Diameter
38mm
34mm
Thickness
7mm
8.2mm
Lug-to-Lug
—
41.5mm
Lug Width
18mm
10mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal
Mineral
Sapphire
Dial Color
Copper
Black
Movement
3 specsCaliber
Miyota 2035
6N42
Type
Quartz
Automatic
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$315
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