Side by side
Marathon Steel Navigator SSNAV AutovsSeiko Essentials Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Steel Navigator SSNAV Auto41mm
Essentials Automatic41.2mm
Power Reserve
Steel Navigator SSNAV Auto40h
Essentials Automatic41h
Water Resistance
Steel Navigator SSNAV Auto60m
Essentials Automatic100m
MSRP
Steel Navigator SSNAV Auto$1,300
Essentials Automatic$315
Full specifications
Case
6 specsCategory
Pilot
Dress
Diameter
41mm
41.2mm
Thickness
11.5mm
11.8mm
Lug-to-Lug
48mm
48.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
100m
Crystal & Dial
1 specsCrystal
Sapphire
Hardlex
Movement
3 specsCaliber
Sellita SW200-1
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$1,300
$315
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