Side by side
Chronotechna NanoBlackvsHemel Sky Racer Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
NanoBlack42mm
Sky Racer Mechanical43mm
Power Reserve
NanoBlack38h
Sky Racer Mechanical40h
Water Resistance
NanoBlack100m
Sky Racer Mechanical50m
MSRP
NanoBlack—
Sky Racer Mechanical$550
Full specifications
Case
7 specsCategory
—
Chronograph
Diameter
42mm
43mm
Thickness
11.65mm
14mm
Lug-to-Lug
47.90mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White
Black
Movement
3 specsCaliber
Sellita SW200-1
Seagull ST19
Type
Automatic
Manual
Power Reserve
38h
40h
Pricing
1 specsMSRP
—
$550
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