Which is cheaper, the Orient AC0Q-40 Diver Watch or the Undone Ronin Automatic?

At MSRP the Orient AC0Q-40 Diver Watch is the cheaper of the two at $370, against $380 for the Undone Ronin Automatic — a $10 gap before any retailer discounting.

Which is bigger, the Orient AC0Q-40 Diver Watch or the Undone Ronin Automatic?

The Undone Ronin Automatic wears larger at 40mm versus 39.9mm for the Orient AC0Q-40 Diver Watch — a 0.1mm difference across the dial.

Which has better water resistance, the Orient AC0Q-40 Diver Watch or the Undone Ronin Automatic?

The Orient AC0Q-40 Diver Watch is rated to 200m versus 100m for the Undone Ronin Automatic.

What movement does the Orient AC0Q-40 Diver Watch run compared to the Undone Ronin Automatic?

Both watches run automatic movements — the Orient AC0Q-40 Diver Watch uses the Orient F6722 and the Undone Ronin Automatic uses the Seiko NH35.

Side by side

Orient AC0Q-40 Diver WatchvsUndone Ronin Automatic

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

Add a watch

Orient AC0Q-40 Diver Watch

MSRP $370

See the full AC0Q-40 Diver Watch

Undone Ronin Automatic

MSRP $380

See the full Ronin Automatic

At a glance

16 of 29 specs differ

Diameter

AC0Q-40 Diver Watch39.9mm

Ronin Automatic40mm

Power Reserve

AC0Q-40 Diver Watch40h

Ronin Automatic—

Water Resistance

AC0Q-40 Diver Watch200m

Ronin Automatic100m

MSRP

AC0Q-40 Diver Watch$370

Ronin Automatic$380

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

—

Dial Color

Black

—

Movement

7 specs

Caliber

Orient F6722

Seiko NH35

Beat Rate

21,600 vph

0 vph

Power Reserve

40h

—

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

Date

None

Pricing

1 specs

MSRP

$370

$380

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Orient AC0Q-40 Diver WatchvsUndone Ronin Automatic

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