Side by side
Castor Watches KOI DARKvsSheffield Solar GT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
KOI DARK38mm
Solar GT40mm
Power Reserve
KOI DARK—
Solar GT—
Water Resistance
KOI DARK50m
Solar GT200m
MSRP
KOI DARK—
Solar GT—
Full specifications
Case
6 specsDiameter
38mm
40mm
Thickness
7mm
13mm
Lug-to-Lug
—
48mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m
Crystal & Dial
2 specsCrystal
Mineral
Sapphire
Dial Color
Copper
Pink
Movement
2 specsCaliber
Miyota 2035
Miyota 2070
Type
Quartz
Solar
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