Side by side
Castor Watches KOI DARKvsHamilton Jazzmaster Thinline Small Second 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 Thinline Small Second Quartz40mm
Power Reserve
KOI DARK—
Jazzmaster Thinline Small Second Quartz40h
Water Resistance
KOI DARK50m
Jazzmaster Thinline Small Second Quartz50m
MSRP
KOI DARK—
Jazzmaster Thinline Small Second Quartz$745
Full specifications
Case
6 specsCategory
—
Dress
Diameter
38mm
40mm
Thickness
7mm
7.35mm
Lug-to-Lug
—
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsCrystal
Mineral
Sapphire
Dial Color
Copper
Grey
Movement
2 specsCaliber
Miyota 2035
980.163
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$745
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