Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Challenger Automatic?

At MSRP the Spinnaker Challenger Automatic is the cheaper of the two at $289, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,716 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic wears larger at 42mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Challenger Automatic?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Spinnaker Challenger Automatic.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Challenger Automatic?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Spinnaker Challenger Automatic.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Spinnaker Challenger Automatic?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Spinnaker Challenger Automatic uses the SII NH35A.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSpinnaker Challenger Automatic

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

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Challenger Automatic42mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Challenger Automatic40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Challenger Automatic200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Challenger Automatic$289

Full specifications

Case

6 specs

Diameter

39mm

42mm

Thickness

12.2mm

19mm

Lug-to-Lug

46.5mm

49.5mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

SII NH35A

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$289

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