Side by side
Marathon Steel Navigator SSNAV-D AutovsS.U.F Helsinki 180 Protox
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Steel Navigator SSNAV-D Auto41mm
180 Protox38.7mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
180 Protox42h
Water Resistance
Steel Navigator SSNAV-D Auto60m
180 Protox100m
MSRP
Steel Navigator SSNAV-D Auto$1,400
180 Protox$2,588
Full specifications
Case
5 specsCategory
Pilot
—
Diameter
41mm
38.7mm
Thickness
11mm
9.4mm
Lug-to-Lug
48mm
46.4mm
Water Resistance
60m
100m
Movement
2 specsCaliber
Sellita SW220-1
Soprod A10
Power Reserve
40h
42h
Pricing
1 specsMSRP
$1,400
—
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