Side by side
Chronotechna NanoBlackvsZero West RAF-C (1940)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
NanoBlack42mm
RAF-C (1940)44mm
Power Reserve
NanoBlack38h
RAF-C (1940)38h
Water Resistance
NanoBlack100m
RAF-C (1940)100m
MSRP
NanoBlack—
RAF-C (1940)$2,750
Full specifications
Case
3 specsDiameter
42mm
44mm
Thickness
11.65mm
14.1mm
Lug-to-Lug
47.90mm
49.6mm
Crystal & Dial
1 specsDial Color
White
Black
Movement
2 specsCaliber
Sellita SW200-1
ETA 2824
Power Reserve
38h
38h
Pricing
1 specsMSRP
—
$2,750
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