Which is cheaper, the Marathon GPQ (General Purpose Quartz) Field Watch or the Grand Seiko SBGX363?

At MSRP the Marathon GPQ (General Purpose Quartz) Field Watch is the cheaper of the two at $420, against $3,600 for the Grand Seiko SBGX363 — a $3,180 gap before any retailer discounting.

Which is bigger, the Marathon GPQ (General Purpose Quartz) Field Watch or the Grand Seiko SBGX363?

The Marathon GPQ (General Purpose Quartz) Field Watch wears larger at 34mm versus 32.3mm for the Grand Seiko SBGX363 — a 1.7mm difference across the dial.

Which has better water resistance, the Marathon GPQ (General Purpose Quartz) Field Watch or the Grand Seiko SBGX363?

The Grand Seiko SBGX363 is rated to 100m versus 30m for the Marathon GPQ (General Purpose Quartz) Field Watch.

What movement does the Marathon GPQ (General Purpose Quartz) Field Watch run compared to the Grand Seiko SBGX363?

Both watches run quartz movements — the Marathon GPQ (General Purpose Quartz) Field Watch uses the Swiss High-Torque Quartz (3J, EOL) and the Grand Seiko SBGX363 uses the 9F51.

Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsGrand Seiko SBGX363

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marathon GPQ (General Purpose Quartz) Field Watch

general-purpose-quartz-with-tritium-gpq

MSRP $420

Grand Seiko SBGX363

sbgx363g

MSRP $3,600

At a glance

11 of 29 specs differ

Diameter

GPQ (General Purpose Quartz) Field Watch34mm

SBGX36332.3mm

Power Reserve

GPQ (General Purpose Quartz) Field Watch40h

SBGX36340h

Water Resistance

GPQ (General Purpose Quartz) Field Watch30m

SBGX363100m

MSRP

GPQ (General Purpose Quartz) Field Watch$420

SBGX363$3,600

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Acrylic

Sapphire

AR Coating

Inner

Yes

Movement

1 specs

Caliber

Swiss High-Torque Quartz (3J, EOL)

9F51

Pricing

1 specs

MSRP

$420

$3,600

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