Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Christopher Ward C65 Aquitaine Bronze COSC?

At MSRP the Christopher Ward C65 Aquitaine Bronze COSC is the cheaper of the two at $1,695, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $310 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Christopher Ward C65 Aquitaine Bronze COSC?

The Christopher Ward C65 Aquitaine Bronze COSC wears larger at 46.68mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 7.7mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Christopher Ward C65 Aquitaine Bronze COSC?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Christopher Ward C65 Aquitaine Bronze COSC.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Christopher Ward C65 Aquitaine Bronze COSC?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 38 hours on the Christopher Ward C65 Aquitaine Bronze COSC.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Christopher Ward C65 Aquitaine Bronze COSC?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Christopher Ward C65 Aquitaine Bronze COSC uses the SW200.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsChristopher Ward C65 Aquitaine Bronze COSC

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

Christopher Ward C65 Aquitaine Bronze COSC

C65-41ADC2-B0BB0-RB

MSRP $1,695

At a glance

17 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

C65 Aquitaine Bronze COSC46.68mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

C65 Aquitaine Bronze COSC38h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

C65 Aquitaine Bronze COSC200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

C65 Aquitaine Bronze COSC$1,695

Full specifications

Case

8 specs

Diameter

39mm

46.68mm

Thickness

12.2mm

12.45mm

Lug-to-Lug

46.5mm

46.68mm

Lug Width

20mm

22mm

Material

Stainless Steel

Bronze

Finish

Brushed and polished

Brushed + Polished

Water Resistance

300m

200m

Caseback

Solid

Display

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Blue

Lume

Super-LumiNova

SLN X1 BL Old Radium

Movement

5 specs

Caliber

SoProd M100

SW200

Beat Rate

28,800 vph

4 vph

Power Reserve

42h

38h

Jewels

Complications

COSC, Date

Moonphase, Day-date, Date

Pricing

1 specs

MSRP

$2,005

$1,695

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