Side by side
Meia Lua CallistovsSlow Watches Slow Round-S
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
10 of 29 specs differDiameter
Callisto42mm
Slow Round-S34mm
Power Reserve
Callisto40h
Slow Round-S—
Water Resistance
Callisto100m
Slow Round-S100m
MSRP
Callisto$661
Slow Round-S$280
Full specifications
Case
4 specsDiameter
42mm
34mm
Thickness
13.5mm
8.25mm
Lug-to-Lug
48mm
0mm
Lug Width
22mm
—
Crystal & Dial
2 specsDial Color
—
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Miyota 9122
Ronda 515.24H
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
$661
$280
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