Side by side
Chronotechna NanoBlackvsZRC 1904 Z.R.C Grands Fonds Heritage
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
NanoBlack42mm
Z.R.C Grands Fonds Heritage39mm
Power Reserve
NanoBlack38h
Z.R.C Grands Fonds Heritage41h
Water Resistance
NanoBlack100m
Z.R.C Grands Fonds Heritage300m
MSRP
NanoBlack—
Z.R.C Grands Fonds Heritage$3,290
Full specifications
Case
5 specsDiameter
42mm
39mm
Thickness
11.65mm
2.4mm
Lug-to-Lug
47.90mm
46mm
Lug Width
22mm
20mm
Water Resistance
100m
300m
Crystal & Dial
1 specsDial Color
White
Black
Movement
1 specsPower Reserve
38h
41h
Pricing
1 specsMSRP
—
$3,290
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