Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Spence 300?

At MSRP the Spinnaker Spence 300 is the cheaper of the two at $650, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,355 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Spence 300?

The Spinnaker Spence 300 wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Spinnaker Spence 300?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Spinnaker Spence 300.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Spinnaker Spence 300?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Spinnaker Spence 300 uses the SII NH35A.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSpinnaker Spence 300

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 Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Spence 30040mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Spence 30040h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Spence 300300m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Spence 300$650

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

12.2mm

11.5mm

Lug-to-Lug

46.5mm

48mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Aquamarine

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

$650

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