Which is cheaper, the Marathon Steel Navigator SSNAV Auto or the Sternglas Naos Mondphase?

At MSRP the Sternglas Naos Mondphase is the cheaper of the two at $323, against $1,300 for the Marathon Steel Navigator SSNAV Auto — a $977 gap before any retailer discounting.

Which is bigger, the Marathon Steel Navigator SSNAV Auto or the Sternglas Naos Mondphase?

The Marathon Steel Navigator SSNAV Auto wears larger at 41mm versus 38mm for the Sternglas Naos Mondphase — a 3mm difference across the dial.

Which has better water resistance, the Marathon Steel Navigator SSNAV Auto or the Sternglas Naos Mondphase?

The Marathon Steel Navigator SSNAV Auto is rated to 60m versus 50m for the Sternglas Naos Mondphase.

What movement does the Marathon Steel Navigator SSNAV Auto run compared to the Sternglas Naos Mondphase?

The Marathon Steel Navigator SSNAV Auto runs a automatic caliber (Sellita SW200-1), while the Sternglas Naos Mondphase runs a quartz (Seiko VJ76).

Side by side

Marathon Steel Navigator SSNAV AutovsSternglas Naos Mondphase

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

Sternglas Naos Mondphase

naos-mondphase-mitternachtsblau

MSRP $323

At a glance

13 of 29 specs differ

Diameter

Steel Navigator SSNAV Auto41mm

Naos Mondphase38mm

Power Reserve

Steel Navigator SSNAV Auto40h

Naos Mondphase—

Water Resistance

Steel Navigator SSNAV Auto60m

Naos Mondphase50m

MSRP

Steel Navigator SSNAV Auto$1,300

Naos Mondphase$323

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

None

Luminova Punkten

Movement

4 specs

Caliber

Sellita SW200-1

Seiko VJ76

Type

Automatic

Quartz

Power Reserve

40h

—

Jewels

—

Pricing

1 specs

MSRP

$1,300

$323

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