Chronotechna NanoBlackvsCompass Timepieces Gratitude
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

NanoBlack

Gratitude
Diameter
42mm
42mm
Lug-to-Lug
47.9mm
n/a
Thickness
11.7mm
n/a
Water Resistance
100m
highest
50m
Power Reserve
38h
38h
Movement
Sellita SW200-1
ETA 2824-2
Case
4 specsThickness
11.65mm
n/a
Lug-to-Lug
47.9mm
n/a
Lug Width
22mm
n/a
Water Resistance
100m
50m
Crystal & Dial
1 specsDial Color
White
Black
Movement
2 specsCaliber
Sellita SW200-1
ETA 2824-2
Power Reserve
38h
38h
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