Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGN027?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $3,700 for the Grand Seiko SBGN027 — a $1,695 gap before any retailer discounting.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGN027?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Grand Seiko SBGN027.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Grand Seiko SBGN027?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Grand Seiko SBGN027.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Grand Seiko SBGN027?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Grand Seiko SBGN027 runs a quartz (9F86).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsGrand Seiko SBGN027

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 SBGN027

sbgn027g

MSRP $3,700

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SBGN02739mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SBGN02740h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SBGN027200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SBGN027$3,700

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

9F86

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$3,700

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