Which is cheaper, the Sternglas Naos Mondphase or the Seiko King Turtle?

At MSRP the Sternglas Naos Mondphase is the cheaper of the two at $323, against $650 for the Seiko King Turtle — a $327 gap before any retailer discounting.

Which is bigger, the Sternglas Naos Mondphase or the Seiko King Turtle?

The Seiko King Turtle wears larger at 45mm versus 38mm for the Sternglas Naos Mondphase — a 7mm difference across the dial.

Which has better water resistance, the Sternglas Naos Mondphase or the Seiko King Turtle?

The Seiko King Turtle is rated to 200m versus 50m for the Sternglas Naos Mondphase.

What movement does the Sternglas Naos Mondphase run compared to the Seiko King Turtle?

The Sternglas Naos Mondphase runs a quartz caliber (Seiko VJ76), while the Seiko King Turtle runs a automatic (Seiko 4R36).

Side by side

Sternglas Naos MondphasevsSeiko King Turtle

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

Add a watch

Sternglas Naos Mondphase

MSRP $323

See the full Naos Mondphase

Seiko King Turtle

MSRP $650

See the full King Turtle

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At a glance

14 of 29 specs differ

Diameter

Naos Mondphase38mm

King Turtle45mm

Power Reserve

Naos Mondphase—

King Turtle41h

Water Resistance

Naos Mondphase50m

King Turtle200m

MSRP

Naos Mondphase$323

King Turtle$650

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

—

Lume

Luminova Punkten

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko VJ76

Seiko 4R36

Type

Quartz

Automatic

Power Reserve

—

41h

Jewels

—

Pricing

1 specs

MSRP

$323

$650

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