Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Atomic Perpetual A-T?

The Citizen Atomic Perpetual A-T wears larger at 41mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Atomic Perpetual A-T?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Citizen Atomic Perpetual A-T.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Atomic Perpetual A-T?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Citizen Atomic Perpetual A-T.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Citizen Atomic Perpetual A-T?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Citizen Atomic Perpetual A-T runs a solar (H800).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsCitizen Atomic Perpetual A-T

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Citizen Atomic Perpetual A-T

AT8300

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Atomic Perpetual A-T41mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Atomic Perpetual A-T40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Atomic Perpetual A-T200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Atomic Perpetual A-T—

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Underside

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

H800

Type

Automatic

Solar

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

—

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