Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko DressKX?

At MSRP the Seiko DressKX is the cheaper of the two at $315, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,690 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko DressKX?

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

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

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

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

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

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Seiko DressKX?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko DressKX uses the 4R36.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko DressKX

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 DressKX

srpe51

MSRP $315

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

DressKX40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

DressKX41h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

DressKX100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

DressKX$315

Full specifications

Case

5 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

4R36

Power Reserve

42h

41h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$315

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