Side by side

Castor Watches ZEROvsSlow Watches Solar

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

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ZERO
Castor WatchesZERO
Solar
Slow WatchesSolar
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Buy used on eBay ↗
Buy from Slow Watches ↗
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At a glance

8 of 29 specs differ
Diameter
ZERO38mm
Solar40mm
Power Reserve
ZERO—
Solar—
Water Resistance
ZERO50m
Solar50m
MSRP
ZERO—
Solar—

Full specifications

Case

4 specs
Diameter
38mm
40mm
Thickness
10mm
10mm
Lug Width
20mm
—
Material
Stainless Steel
Aluminum

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Copper
White

Movement

2 specs
Caliber
Miyota 2035
VS42A
Type
Quartz
Solar
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