Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GPQ (General Purpose Quartz) Field Watch?

At MSRP the Marathon GPQ (General Purpose Quartz) Field Watch is the cheaper of the two at $420, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,585 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GPQ (General Purpose Quartz) Field Watch?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 34mm for the Marathon GPQ (General Purpose Quartz) Field Watch — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GPQ (General Purpose Quartz) Field Watch?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 30m for the Marathon GPQ (General Purpose Quartz) Field Watch.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GPQ (General Purpose Quartz) Field Watch?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Marathon GPQ (General Purpose Quartz) Field Watch.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Marathon GPQ (General Purpose Quartz) Field Watch?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the Marathon GPQ (General Purpose Quartz) Field Watch runs a quartz (Swiss High-Torque Quartz (3J, EOL)).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsMarathon GPQ (General Purpose Quartz) Field Watch

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

Marathon GPQ (General Purpose Quartz) Field Watch

general-purpose-quartz-with-tritium-gpq

MSRP $420

At a glance

15 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

GPQ (General Purpose Quartz) Field Watch34mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

GPQ (General Purpose Quartz) Field Watch40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

GPQ (General Purpose Quartz) Field Watch30m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Acrylic

AR Coating

Yes

Inner

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

Swiss High-Torque Quartz (3J, EOL)

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$420

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