Side by side
Chronotechna NanoBlackvsSheffield 1A SCR II Blue
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
1A SCR II Blue40mm
Power Reserve
NanoBlack38h
1A SCR II Blue40h
Water Resistance
NanoBlack100m
1A SCR II Blue200m
MSRP
NanoBlack—
1A SCR II Blue$278
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
11.65mm
13mm
Lug-to-Lug
47.90mm
48mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
1 specsDial Color
White
Blue
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH35
Power Reserve
38h
40h
Pricing
1 specsMSRP
—
—
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