Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko 5 Sports SKX series?

At MSRP the Seiko 5 Sports SKX series is the cheaper of the two at $495, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,510 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko 5 Sports SKX series?

The Seiko 5 Sports SKX series wears larger at 42.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Seiko 5 Sports SKX series?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 10m for the Seiko 5 Sports SKX series.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seiko 5 Sports SKX series?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 41 hours on the Seiko 5 Sports SKX series.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Seiko 5 Sports SKX series?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko 5 Sports SKX series uses the 4R34.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko 5 Sports SKX 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 5 Sports SKX series

ssk001

MSRP $495

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

5 Sports SKX series42.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

5 Sports SKX series41h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

5 Sports SKX series100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

5 Sports SKX series$495

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

AR Coating

Yes

Inner

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

SoProd M100

4R34

Power Reserve

42h

41h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$495

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