Side by side
Aera Instruments M-1vsMarathon Steel Navigator SSNAV Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M-139mm
Steel Navigator SSNAV Auto41mm
Power Reserve
M-142h
Steel Navigator SSNAV Auto40h
Water Resistance
M-1100m
Steel Navigator SSNAV Auto60m
MSRP
M-1—
Steel Navigator SSNAV Auto$1,300
Full specifications
Case
6 specsCategory
—
Pilot
Diameter
39mm
41mm
Thickness
13.14mm
11.5mm
Lug-to-Lug
47.6mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
60m
Crystal & Dial
2 specsDial Color
Dune
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$1,300
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