Which is cheaper, the Sternglas Sedius or the Undone Ronin Automatic?

At MSRP the Sternglas Sedius is the cheaper of the two at $301, against $380 for the Undone Ronin Automatic — a $79 gap before any retailer discounting.

Which has better water resistance, the Sternglas Sedius or the Undone Ronin Automatic?

The Undone Ronin Automatic is rated to 100m versus 50m for the Sternglas Sedius.

What movement does the Sternglas Sedius run compared to the Undone Ronin Automatic?

The Sternglas Sedius runs a quartz caliber (Seiko VH31), while the Undone Ronin Automatic runs a automatic (Seiko NH35).

Side by side

Sternglas SediusvsUndone Ronin Automatic

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

Add a watch

Sternglas Sedius

MSRP $301

See the full Sedius

Undone Ronin Automatic

MSRP $380

See the full Ronin Automatic

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

At a glance

10 of 29 specs differ

Diameter

Sedius40mm

Ronin Automatic40mm

Power Reserve

Sedius—

Ronin Automatic—

Water Resistance

Sedius50m

Ronin Automatic100m

MSRP

Sedius$301

Ronin Automatic$380

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Crystal

Sapphire

—

Movement

3 specs

Caliber

Seiko VH31

Seiko NH35

Type

Quartz

Automatic

Jewels

—

Pricing

1 specs

MSRP

$301

$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.

Variomicro

DiscussionNot started

Adjacent matchups

People also compared

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

Melbourne Watch Company Flinders HeritagevsUndone Ronin Automatic Filippo Loreti Watches Venice Moonphase Black Gold MeshvsUndone Ronin Automatic Furlan Marri MechaquartzvsUndone Ronin Automatic Filippo Loreti Watches Fase Lunare NightRay Brown LeathervsUndone Ronin Automatic Sternglas SediusvsUndone Texas Holdem poker Filippo Loreti Watches Superman Diver AutomaticvsSternglas Sedius

Edit this comparison Add another watch Explore more 39–41mm watches

Sternglas SediusvsUndone Ronin Automatic

At a glance

Full specifications

More watches worth a look

VERSA Reversible Dual Time

Turret 300M - Model: TR4-WL (PITCH BLACK) (NO DATE)

Flinders Heritage

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

1956 Marine

Edge Rose Gold

ScrewDiver — Charoite Stone Dial — Slowed Down, Turned Up

Relay Bradley

People also compared