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

At MSRP the Seiko Coutura is the cheaper of the two at $625, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,380 gap before any retailer discounting.

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

The Seiko Coutura wears larger at 45.3mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 6.3mm difference across the dial.

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

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

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

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Seiko Coutura.

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

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Seiko Coutura runs a quartz (8B92).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Coutura

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 Coutura

ssg009p9

MSRP $625

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Coutura45.3mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Coutura40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Coutura100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Coutura$625

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

5 specs

Caliber

SoProd M100

8B92

Type

Automatic

Quartz

Power Reserve

42h

40h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$625

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