Side by side
Castor Watches LastarriavsSlow Watches Slow Round-S
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Lastarria40mm
Slow Round-S34mm
Power Reserve
Lastarria—
Slow Round-S—
Water Resistance
Lastarria50m
Slow Round-S100m
MSRP
Lastarria—
Slow Round-S$280
Full specifications
Case
5 specsDiameter
40mm
34mm
Thickness
10mm
8.25mm
Lug-to-Lug
—
46mm
Lug Width
20mm
—
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal
Mineral
Sapphire
Dial Color
White
Black
Movement
1 specsCaliber
—
Ronda 515.24
Pricing
1 specsMSRP
—
$280
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