Side by side
Chronotechna NanoBlackvsShiro Kara RCF Stormtrooper
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
NanoBlack42mm
RCF Stormtrooper39mm
Power Reserve
NanoBlack38h
RCF Stormtrooper41h
Water Resistance
NanoBlack100m
RCF Stormtrooper100m
MSRP
NanoBlack—
RCF Stormtrooper$448
Full specifications
Case
5 specsDiameter
42mm
39mm
Thickness
11.65mm
11.9mm
Lug-to-Lug
47.90mm
47.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsDial Color
White
—
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH35
Power Reserve
38h
41h
Pricing
1 specsMSRP
—
$448
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