Side by side
Chronotechna NanoBlackvsSheffield GMT
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
GMT40mm
Power Reserve
NanoBlack38h
GMT—
Water Resistance
NanoBlack100m
GMT200m
MSRP
NanoBlack—
GMT—
Full specifications
Case
6 specsCategory
—
GMT
Diameter
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 NH34
Power Reserve
38h
—
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