Which is cheaper, the Dryden Chrono Diver Series 1 or the Undone Ronin Automatic?

At MSRP the Dryden Chrono Diver Series 1 is the cheaper of the two at $349, against $380 for the Undone Ronin Automatic — a $31 gap before any retailer discounting.

Which is bigger, the Dryden Chrono Diver Series 1 or the Undone Ronin Automatic?

The Dryden Chrono Diver Series 1 wears larger at 42mm versus 40mm for the Undone Ronin Automatic — a 2mm difference across the dial.

Which has better water resistance, the Dryden Chrono Diver Series 1 or the Undone Ronin Automatic?

The Dryden Chrono Diver Series 1 is rated to 101m versus 100m for the Undone Ronin Automatic.

What movement does the Dryden Chrono Diver Series 1 run compared to the Undone Ronin Automatic?

The Dryden Chrono Diver Series 1 runs a quartz caliber, while the Undone Ronin Automatic runs a automatic (Seiko NH35).

Side by side

Dryden Chrono Diver Series 1vsUndone Ronin Automatic

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

Add a watch

Dryden Chrono Diver Series 1

MSRP $349

See the full Chrono Diver Series 1

Undone Ronin Automatic

MSRP $380

See the full Ronin Automatic

Buy from Dryden ↗

Buy used on eBay ↗

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

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

Chrono Diver Series 142mm

Ronin Automatic40mm

Power Reserve

Chrono Diver Series 1—

Ronin Automatic—

Water Resistance

Chrono Diver Series 1101m

Ronin Automatic100m

MSRP

Chrono Diver Series 1$349

Ronin Automatic$380

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

—

Dial Color

Steel

—

Movement

3 specs

Caliber

—

Seiko NH35

Type

Quartz

Automatic

Power Reserve

—

Pricing

1 specs

MSRP

$349

$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.

Spinnakermicro

Follow this matchup

Get a note when Dryden Chrono Diver Series 1 vs Undone Ronin Automatic gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Elliot Brown BLOXWORTH: 929-002vsUndone Ronin Automatic Undone Ronin AutomaticvsWolbrook Skindiver WT Chrono-Mecaquartz Astor + Banks ChronovsUndone Ronin Automatic Geckota Chronotimer ChronographvsUndone Ronin Automatic Dryden Chrono Diver Series 1vsUndone Texas Holdem poker Dryden Chrono Diver Series 1vsFilippo Loreti Watches Superman Diver Automatic

Edit this comparison Add another watch Explore more 39–43mm watches

Dryden Chrono Diver Series 1vsUndone Ronin Automatic

At a glance

Full specifications

More watches worth a look

Fleuss Chronograph

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

Hawker Hunter Atlas Dual Time Chronograph

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

BLOXWORTH: 929-002

Chronotimer Chronograph

ScrewDiver — Charoite Stone Dial — Slowed Down, Turned Up

Halyard Sport Chronograph

Follow this matchup

People also compared