Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA009?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $9,800 for the Grand Seiko SLGA009 — a $7,795 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA009?

The Grand Seiko SLGA009 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 Grand Seiko SLGA009?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Grand Seiko SLGA009.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGA009?

The Grand Seiko SLGA009 carries a 120-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 Grand Seiko SLGA009?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Grand Seiko SLGA009 runs a spring drive (9RA2).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SLGA009

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

Grand Seiko SLGA009

slga009g

MSRP $9,800

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SLGA00940mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SLGA009120h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SLGA009100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SLGA009$9,800

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

9RA2

Type

Automatic

Spring Drive

Power Reserve

42h

120h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$9,800

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