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

At MSRP the Seiko Monster is the cheaper of the two at $550, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,455 gap before any retailer discounting.

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

The Seiko Monster wears larger at 42.4mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3.4mm difference across the dial.

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

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Seiko Monster.

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

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

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

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

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Monster

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 Monster

srpe27

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Monster42.4mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Monster41h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Monster200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Monster$550

Full specifications

Case

4 specs

Diameter

39mm

42.4mm

Thickness

12.2mm

13.4mm

Lug-to-Lug

46.5mm

49.4mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

AR Coating

Yes

Inner

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

SoProd M100

4R36

Power Reserve

42h

41h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$550

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