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Castor Watches KOI DARKvsGeltier APEX

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
APEX
GeltierAPEX
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At a glance

6 of 29 specs differ
Diameter
KOI DARK38mm
APEX40mm
Power Reserve
KOI DARK—
APEX—
Water Resistance
KOI DARK50m
APEX50m
MSRP
KOI DARK—
APEX—

Full specifications

Case

3 specs
Diameter
38mm
40mm
Thickness
7mm
11mm
Lug Width
18mm
20mm

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Copper
Pearl White

Movement

1 specs
Caliber
Miyota 2035
Seiko VK64
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