Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Hamilton American Classic Valiant Auto?

At MSRP the Hamilton American Classic Valiant Auto is the cheaper of the two at $645, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,360 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Hamilton American Classic Valiant Auto?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 34mm for the Hamilton American Classic Valiant Auto — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Hamilton American Classic Valiant Auto?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the Hamilton American Classic Valiant Auto.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Hamilton American Classic Valiant Auto?

The Hamilton American Classic Valiant Auto carries a 80-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Hamilton American Classic Valiant Auto?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Hamilton American Classic Valiant Auto uses the H-10.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsHamilton American Classic Valiant Auto

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

Hamilton American Classic Valiant Auto

h39415754

MSRP $645

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

American Classic Valiant Auto34mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

American Classic Valiant Auto80h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

American Classic Valiant Auto50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

American Classic Valiant Auto$645

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Silver

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

H-10

Power Reserve

42h

80h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$645

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