Side by side
Chronotechna NanoBlackvsMarathon Steel Navigator SSNAV Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
NanoBlack42mm
Steel Navigator SSNAV Auto41mm
Power Reserve
NanoBlack38h
Steel Navigator SSNAV Auto40h
Water Resistance
NanoBlack100m
Steel Navigator SSNAV Auto60m
MSRP
NanoBlack—
Steel Navigator SSNAV Auto$1,300
Full specifications
Case
7 specsCategory
—
Pilot
Diameter
42mm
41mm
Thickness
11.65mm
11.5mm
Lug-to-Lug
47.90mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
60m
Crystal & Dial
1 specsDial Color
White
Black
Movement
1 specsPower Reserve
38h
40h
Pricing
1 specsMSRP
—
$1,300
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