Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGE307?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $11,500 for the Grand Seiko SBGE307 — a $9,495 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGE307?

The Grand Seiko SBGE307 wears larger at 44.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 5.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGE307?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Grand Seiko SBGE307.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGE307?

The Grand Seiko SBGE307 carries a 72-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 SBGE307?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Grand Seiko SBGE307 runs a spring drive (9R66).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SBGE307

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 SBGE307

sbge307g

MSRP $11,500

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SBGE30744.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SBGE30772h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SBGE307200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SBGE307$11,500

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

9R66

Type

Automatic

Spring Drive

Power Reserve

42h

72h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$11,500

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