Which is cheaper, the Sternglas Naos Pro Automatik or the Undone Ronin Automatic?

At MSRP the Undone Ronin Automatic is the cheaper of the two at $380, against $755 for the Sternglas Naos Pro Automatik — a $375 gap before any retailer discounting.

Which is bigger, the Sternglas Naos Pro Automatik or the Undone Ronin Automatic?

The Undone Ronin Automatic wears larger at 40mm versus 38mm for the Sternglas Naos Pro Automatik — a 2mm difference across the dial.

Which has better water resistance, the Sternglas Naos Pro Automatik or the Undone Ronin Automatic?

The Undone Ronin Automatic is rated to 100m versus 50m for the Sternglas Naos Pro Automatik.

What movement does the Sternglas Naos Pro Automatik run compared to the Undone Ronin Automatic?

Both watches run automatic movements — the Sternglas Naos Pro Automatik uses the Miyota 9015 and the Undone Ronin Automatic uses the Seiko NH35.

Side by side

Sternglas Naos Pro AutomatikvsUndone Ronin Automatic

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

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Sternglas Naos Pro Automatik

MSRP $755

See the full Naos Pro Automatik

Undone Ronin Automatic

MSRP $380

See the full Ronin Automatic

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At a glance

12 of 29 specs differ

Diameter

Naos Pro Automatik38mm

Ronin Automatic40mm

Power Reserve

Naos Pro Automatik42h

Ronin Automatic—

Water Resistance

Naos Pro Automatik50m

Ronin Automatic100m

MSRP

Naos Pro Automatik$755

Ronin Automatic$380

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

—

Lume

Luminova Punkte

None

Movement

3 specs

Caliber

Miyota 9015

Seiko NH35

Power Reserve

42h

—

Jewels

—

Pricing

1 specs

MSRP

$755

$380

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Sternglas Naos Pro AutomatikvsUndone Ronin Automatic

At a glance

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