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

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $3,300 for the Seiko King Seiko KSK — a $1,295 gap before any retailer discounting.

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

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 38.6mm for the Seiko King Seiko KSK — a 0.4mm difference across the dial.

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

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 5m for the Seiko King Seiko KSK.

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

The Seiko King Seiko KSK carries a 45-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 King Seiko KSK?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko King Seiko KSK uses the 6L35.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko King Seiko KSK

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 King Seiko KSK

sje089j1

MSRP $3,300

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

King Seiko KSK38.6mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

King Seiko KSK45h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

King Seiko KSK50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

King Seiko KSK$3,300

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Box

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

6L35

Power Reserve

42h

45h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$3,300

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