Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGW004?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $30,000 for the Grand Seiko SLGW004 — a $27,995 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGW004?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 38.8mm for the Grand Seiko SLGW004 — a 0.2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGW004?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 30m for the Grand Seiko SLGW004.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SLGW004?

The Grand Seiko SLGW004 carries a 80-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 SLGW004?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Grand Seiko SLGW004 runs a manual (9SA4).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SLGW004

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 SLGW004

slgw004j

MSRP $30,000

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SLGW00438.8mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SLGW00480h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SLGW00430m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SLGW004$30,000

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

9SA4

Type

Automatic

Manual

Power Reserve

42h

80h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$30,000

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