Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Presage Classic Series?

At MSRP the Seiko Presage Classic Series is the cheaper of the two at $950, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,055 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Presage Classic Series?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 36mm for the Seiko Presage Classic Series — a 3mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Presage Classic Series?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 10m for the Seiko Presage Classic Series.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Presage Classic Series?

The Seiko Presage Classic Series carries a 72-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 Seiko Presage Classic Series?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko Presage Classic Series uses the 6R51.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Presage Classic Series

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

Seiko Presage Classic Series

spb521j1

MSRP $950

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Presage Classic Series36mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Presage Classic Series72h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Presage Classic Series100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Presage Classic Series$950

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

6R51

Power Reserve

42h

72h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$950

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