Which is cheaper, the Marathon Steel Navigator SSNAV Auto or the Seiko Essentials Automatic?

At MSRP the Seiko Essentials Automatic is the cheaper of the two at $315, against $1,300 for the Marathon Steel Navigator SSNAV Auto — a $985 gap before any retailer discounting.

Which is bigger, the Marathon Steel Navigator SSNAV Auto or the Seiko Essentials Automatic?

The Seiko Essentials Automatic wears larger at 41.2mm versus 41mm for the Marathon Steel Navigator SSNAV Auto — a 0.2mm difference across the dial.

Which has better water resistance, the Marathon Steel Navigator SSNAV Auto or the Seiko Essentials Automatic?

The Marathon Steel Navigator SSNAV Auto is rated to 60m versus 10m for the Seiko Essentials Automatic.

Which has a longer power reserve, the Marathon Steel Navigator SSNAV Auto or the Seiko Essentials Automatic?

The Seiko Essentials Automatic carries a 41-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV Auto.

What movement does the Marathon Steel Navigator SSNAV Auto run compared to the Seiko Essentials Automatic?

Both watches run automatic movements — the Marathon Steel Navigator SSNAV Auto uses the Sellita SW200-1 and the Seiko Essentials Automatic uses the 4R35.

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.

Marathon Steel Navigator SSNAV Auto

41mm-steel-navigator-automatic-ssnav-auto-on-ballistic-nylon

MSRP $1,300

Seiko Essentials Automatic

srph87

MSRP $315

At a glance

11 of 29 specs differ

Diameter

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 specs

Crystal & Dial

1 specs

Crystal

Sapphire

Hardlex

Movement

3 specs

Caliber

Sellita SW200-1

4R35

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$1,300

$315

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