Which is cheaper, the Formex Field Automatic or the Sternglas Naos Mondphase?

At MSRP the Sternglas Naos Mondphase is the cheaper of the two at $323, against $881 for the Formex Field Automatic — a $558 gap before any retailer discounting.

Which is bigger, the Formex Field Automatic or the Sternglas Naos Mondphase?

The Formex Field Automatic wears larger at 40mm versus 38mm for the Sternglas Naos Mondphase — a 2mm difference across the dial.

Which has better water resistance, the Formex Field Automatic or the Sternglas Naos Mondphase?

The Formex Field Automatic is rated to 150m versus 50m for the Sternglas Naos Mondphase.

What movement does the Formex Field Automatic run compared to the Sternglas Naos Mondphase?

The Formex Field Automatic runs a automatic caliber (Sellita SW200-1), while the Sternglas Naos Mondphase runs a quartz (Seiko VJ76).

Side by side

Formex Field AutomaticvsSternglas Naos Mondphase

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Formex Field Automatic

field-automatic-ash-grey-40-mm

MSRP $881

See the full Field Automatic

Sternglas Naos Mondphase

naos-mondphase-mitternachtsblau

MSRP $323

See the full Naos Mondphase

At a glance

13 of 29 specs differ

Diameter

Field Automatic40mm

Naos Mondphase38mm

Power Reserve

Field Automatic41h

Naos Mondphase—

Water Resistance

Field Automatic150m

Naos Mondphase50m

MSRP

Field Automatic$881

Naos Mondphase$323

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Ash Grey

—

Lume

Super-LumiNova

Luminova Punkten

Movement

4 specs

Caliber

Sellita SW200-1

Seiko VJ76

Type

Automatic

Quartz

Power Reserve

41h

—

Jewels

—

Pricing

1 specs

MSRP

$881

$323

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Formex Field AutomaticvsSternglas Naos Mondphase

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