Side by side
Castor Watches KOI DARKvsHamilton Jazzmaster Quartz
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
KOI DARK38mm
Jazzmaster Quartz26mm
Power Reserve
KOI DARK—
Jazzmaster Quartz40h
Water Resistance
KOI DARK50m
Jazzmaster Quartz50m
MSRP
KOI DARK—
Jazzmaster Quartz$825
Full specifications
Case
6 specsCategory
—
Dress
Diameter
38mm
26mm
Thickness
7mm
7.85mm
Lug-to-Lug
—
46mm
Lug Width
18mm
12mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsCrystal
Mineral
Sapphire
Dial Color
Copper
Blue
Movement
2 specsCaliber
Miyota 2035
F03.105
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$825
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