Which is bigger, the Casio GR-B300 or the Casio PRG-601?

The Casio GR-B300 wears larger at 54.7mm versus 51.5mm for the Casio PRG-601 — a 3.2mm difference across the dial.

Which has better water resistance, the Casio GR-B300 or the Casio PRG-601?

The Casio GR-B300 is rated to 200m versus 100m for the Casio PRG-601.

Side by side

Casio GR-B300vsCasio PRG-601

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

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Casio GR-B300

GR-B300

MSRP $330

See the full GR-B300

Casio PRG-601

PRG-601

MSRP $330

At a glance

6 of 29 specs differ

Diameter

GR-B30054.7mm

PRG-60151.5mm

Power Reserve

GR-B300—

PRG-601—

Water Resistance

GR-B300200m

PRG-601100m

MSRP

GR-B300$330

PRG-601$330

Full specifications

Case

6 specs

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Casio GR-B300vsCasio PRG-601

At a glance

Full specifications

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