Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Duckworth Prestex Broadgate GMT Automatic?

At MSRP the Duckworth Prestex Broadgate GMT Automatic is the cheaper of the two at $895, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,110 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Duckworth Prestex Broadgate GMT Automatic?

The Duckworth Prestex Broadgate GMT Automatic wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Duckworth Prestex Broadgate GMT Automatic?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Duckworth Prestex Broadgate GMT Automatic.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Duckworth Prestex Broadgate GMT Automatic?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Duckworth Prestex Broadgate GMT Automatic.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Duckworth Prestex Broadgate GMT Automatic?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Duckworth Prestex Broadgate GMT Automatic uses the Miyota 9075.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsDuckworth Prestex Broadgate GMT Automatic

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

Add a watch

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Duckworth Prestex Broadgate GMT Automatic

broadgate-gmt

MSRP $895

Buy from Serica ↗

Buy used on eBay ↗

Buy from Duckworth Prestex ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Broadgate GMT Automatic40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Broadgate GMT Automatic40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Broadgate GMT Automatic200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Broadgate GMT Automatic$895

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Miyota 9075

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$895

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Serica Ref. 5330 Diving Chronometer DatevsDuckworth Prestex Broadgate GMT Automatic

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