Which is cheaper, the Venezianico Nereide Aureo 39 or the Undone Ronin Automatic?

At MSRP the Undone Ronin Automatic is the cheaper of the two at $380, against $1,000 for the Venezianico Nereide Aureo 39 — a $620 gap before any retailer discounting.

Which is bigger, the Venezianico Nereide Aureo 39 or the Undone Ronin Automatic?

The Undone Ronin Automatic wears larger at 40mm versus 39mm for the Venezianico Nereide Aureo 39 — a 1mm difference across the dial.

Which has better water resistance, the Venezianico Nereide Aureo 39 or the Undone Ronin Automatic?

The Venezianico Nereide Aureo 39 is rated to 200m versus 100m for the Undone Ronin Automatic.

What movement does the Venezianico Nereide Aureo 39 run compared to the Undone Ronin Automatic?

Both watches run automatic movements — the Venezianico Nereide Aureo 39 uses the Miyota 9039 and the Undone Ronin Automatic uses the Seiko NH35.

Side by side

Venezianico Nereide Aureo 39vsUndone Ronin Automatic

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

Add a watch

Venezianico Nereide Aureo 39

MSRP $1,000

See the full Nereide Aureo 39

Undone Ronin Automatic

MSRP $380

See the full Ronin Automatic

Buy from Venezianico ↗

Buy used on eBay ↗

Buy from Undone ↗

Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

12 of 29 specs differ

Diameter

Nereide Aureo 3939mm

Ronin Automatic40mm

Power Reserve

Nereide Aureo 39—

Ronin Automatic—

Water Resistance

Nereide Aureo 39200m

Ronin Automatic100m

MSRP

Nereide Aureo 39$1,000

Ronin Automatic$380

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal

Sapphire

—

AR Coating

Yes

—

Dial Color

—

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Miyota 9039

Seiko NH35

Power Reserve

—

Pricing

1 specs

MSRP

$1,000

$380

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Balticmicro

DiscussionNot started

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Venezianico Nereide Bronzo 39vsUndone Ronin Automatic Venezianico Nereide Tungsteno 39vsUndone Ronin Automatic Venezianico Nereide Avventurina 39vsUndone Ronin Automatic Geckota Ocean-Scout Dive WatchvsUndone Ronin Automatic Venezianico Nereide Aureo 39vsUndone Texas Holdem poker Filippo Loreti Watches Superman Diver AutomaticvsVenezianico Nereide Aureo 39

Edit this comparison Add another watch Explore more 38–41mm watches

Venezianico Nereide Aureo 39vsUndone Ronin Automatic

At a glance

Full specifications

More watches worth a look

Aquascaphe Dual-Crown

Turret 300M - Model: TR4-OR (PITCH BLACK) (NO DATE) (OLD RADIUM)

Super200 Dark Edition

Turret 300M - Model: TR4-DV (PITCH BLACK)

Akva

ScrewDiver — Charoite Stone Dial — Slowed Down, Turned Up

SOMBRERO 90-011

Merlion 50th Anniversary

People also compared