Which is cheaper, the Casio GST-B400 or the Casio Black?

At MSRP the Casio Black is the cheaper of the two at $145, against $350 for the Casio GST-B400 — a $205 gap before any retailer discounting.

Which is bigger, the Casio GST-B400 or the Casio Black?

The Casio GST-B400 wears larger at 49.6mm versus 43.2mm for the Casio Black — a 6.4mm difference across the dial.

What movement does the Casio GST-B400 run compared to the Casio Black?

The Casio GST-B400 runs a quartz caliber, while the Casio Black runs a solar.

Side by side

Casio GST-B400vsCasio Black

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

Add a watch

Casio GST-B400

GST-B400

MSRP $350

See the full GST-B400

Casio Black

GW-M5610-1JF

MSRP $145

At a glance

11 of 29 specs differ

Diameter

GST-B40049.6mm

Black43.2mm

Power Reserve

GST-B400—

Black—

Water Resistance

GST-B400200m

Black200m

MSRP

GST-B400$350

Black$145

Full specifications

Case

6 specs

Diameter

49.6mm

43.2mm

Thickness

12.9mm

12.7mm

Lug-to-Lug

46.6mm

46.7mm

Lug Width

—

0mm

Material

Resin / Stainless steel

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

$350

$145

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Casio GST-B400vsCasio Black

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