Which is cheaper, the Sternglas Naos Mondphase or the Seiko Prospex Sea?

At MSRP the Sternglas Naos Mondphase is the cheaper of the two at $323, against $795 for the Seiko Prospex Sea — a $472 gap before any retailer discounting.

Which is bigger, the Sternglas Naos Mondphase or the Seiko Prospex Sea?

The Sternglas Naos Mondphase wears larger at 38mm versus 34mm for the Seiko Prospex Sea — a 4mm difference across the dial.

Which has better water resistance, the Sternglas Naos Mondphase or the Seiko Prospex Sea?

The Sternglas Naos Mondphase is rated to 50m versus 20m for the Seiko Prospex Sea.

What movement does the Sternglas Naos Mondphase run compared to the Seiko Prospex Sea?

Both watches run quartz movements — the Sternglas Naos Mondphase uses the Seiko VJ76 and the Seiko Prospex Sea uses the 6N01.

Side by side

Sternglas Naos MondphasevsSeiko Prospex Sea

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

Sternglas Naos Mondphase

naos-mondphase-mitternachtsblau

MSRP $323

Seiko Prospex Sea

sur595j1

MSRP $795

At a glance

13 of 29 specs differ

Diameter

Naos Mondphase38mm

Prospex Sea34mm

Power Reserve

Naos Mondphase—

Prospex Sea40h

Water Resistance

Naos Mondphase50m

Prospex Sea200m

MSRP

Naos Mondphase$323

Prospex Sea$795

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

Luminova Punkten

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko VJ76

6N01

Power Reserve

—

40h

Jewels

—

Pricing

1 specs

MSRP

$323

$795

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Sternglas Naos MondphasevsSeiko Prospex Sea

At a glance

Full specifications

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