Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Promaster Sikorsky?

At MSRP the Citizen Promaster Sikorsky is the cheaper of the two at $469, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,536 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Promaster Sikorsky?

The Citizen Promaster Sikorsky wears larger at 42.4mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3.4mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Promaster Sikorsky?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Citizen Promaster Sikorsky.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Citizen Promaster Sikorsky?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Citizen Promaster Sikorsky.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Citizen Promaster Sikorsky?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Citizen Promaster Sikorsky runs a solar (B877).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsCitizen Promaster Sikorsky

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 Promaster Sikorsky

BJ7004

MSRP $469

At a glance

15 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Promaster Sikorsky42.4mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Promaster Sikorsky40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Promaster Sikorsky200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Promaster Sikorsky$469

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Mineral

AR Coating

Yes

Inner

Dial Color

Black

Grey

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

B877

Type

Automatic

Solar

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$469

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