Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGJ237?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $7,600 for the Grand Seiko SBGJ237 — a $5,595 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGJ237?

The Grand Seiko SBGJ237 wears larger at 44.2mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 5.2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGJ237?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Grand Seiko SBGJ237.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGJ237?

The Grand Seiko SBGJ237 carries a 55-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 SBGJ237?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Grand Seiko SBGJ237 uses the 9S86.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SBGJ237

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 SBGJ237

sbgj237g

MSRP $7,600

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SBGJ23744.2mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SBGJ23755h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SBGJ237200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SBGJ237$7,600

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

9S86

Power Reserve

42h

55h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$7,600

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