Side by side

Castor Watches KOI DARKvsNaga Watches Spire

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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KOI DARK
Castor WatchesKOI DARK
Spire
Naga WatchesSpire
MSRP $853
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Buy used on eBay ↗
Buy from Naga Watches ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
KOI DARK38mm
Spire39mm
Power Reserve
KOI DARK—
Spire—
Water Resistance
KOI DARK50m
Spire100m
MSRP
KOI DARK—
Spire$853

Full specifications

Case

5 specs
Diameter
38mm
39mm
Thickness
7mm
9.9mm
Lug Width
18mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Copper
White

Movement

2 specs
Caliber
Miyota 2035
Miyota 9039
Type
Quartz
Automatic

Pricing

1 specs
MSRP
—
—
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