Side by side

Castor Watches ZEROvsSlow Watches Slow Round 40mm

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

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ZERO
Castor WatchesZERO
Slow Round 40mm
Slow WatchesSlow Round 40mm
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Buy from Slow Watches ↗
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At a glance

8 of 29 specs differ
Diameter
ZERO38mm
Slow Round 40mm42.5mm
Power Reserve
ZERO—
Slow Round 40mm—
Water Resistance
ZERO50m
Slow Round 40mm100m
MSRP
ZERO—
Slow Round 40mm—

Full specifications

Case

5 specs
Diameter
38mm
42.5mm
Thickness
10mm
8.25mm
Lug-to-Lug
—
46mm
Lug Width
20mm
—
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Copper
—

Movement

1 specs
Caliber
Miyota 2035
Ronda 515.24
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