Which is cheaper, the Casio GR-B300 or the Casio Black?

At MSRP the Casio Black is the cheaper of the two at $145, against $330 for the Casio GR-B300 — a $185 gap before any retailer discounting.

Which is bigger, the Casio GR-B300 or the Casio Black?

The Casio GR-B300 wears larger at 54.7mm versus 43.2mm for the Casio Black — a 11.5mm difference across the dial.

What movement does the Casio GR-B300 run compared to the Casio Black?

The Casio GR-B300 runs a quartz caliber, while the Casio Black runs a solar.

Side by side

Casio GR-B300vsCasio Black

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

Add a watch

Casio GR-B300

GR-B300

MSRP $330

See the full GR-B300

Casio Black

GW-M5610-1JF

MSRP $145

At a glance

11 of 29 specs differ

Diameter

GR-B30054.7mm

Black43.2mm

Power Reserve

GR-B300—

Black—

Water Resistance

GR-B300200m

Black200m

MSRP

GR-B300$330

Black$145

Full specifications

Case

6 specs

Diameter

54.7mm

43.2mm

Thickness

15.7mm

12.7mm

Lug-to-Lug

59mm

46.7mm

Lug Width

—

0mm

Material

Bio-based Carbon / Bio-based resin / Sta

Resin

Finish

—

Crystal & Dial

1 specs

AR Coating

—

Movement

3 specs

Caliber

—

Type

Quartz

Solar

Complications

None

alarm, chronograph, radio-sync

Pricing

1 specs

MSRP

$330

$145

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Casio GR-B300vsCasio Black

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