Which is cheaper, the Casio GST-B400 or the Zelos GT?

At MSRP the Casio GST-B400 is the cheaper of the two at $350, against $499 for the Zelos GT — a $149 gap before any retailer discounting.

Which is bigger, the Casio GST-B400 or the Zelos GT?

The Casio GST-B400 wears larger at 49.6mm versus 42mm for the Zelos GT — a 7.6mm difference across the dial.

Which has better water resistance, the Casio GST-B400 or the Zelos GT?

The Casio GST-B400 is rated to 200m versus 100m for the Zelos GT.

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

The Casio GST-B400 runs a quartz caliber, while the Zelos GT runs a automatic (Miyota 9133).

Side by side

Casio GST-B400vsZelos GT

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

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Casio GST-B400

GST-B400

MSRP $350

See the full GST-B400

Zelos GT

gt-42mm-azzurro

MSRP $499

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At a glance

15 of 29 specs differ

Diameter

GST-B40049.6mm

GT42mm

Power Reserve

GST-B400—

GT—

Water Resistance

GST-B400200m

GT100m

MSRP

GST-B400$350

GT$499

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal

Mineral

Sapphire

AR Coating

—

Dial Color

Black

SS - Azzurro

Movement

3 specs

Caliber

—

Miyota 9133

Type

Quartz

Automatic

Power Reserve

—

Pricing

1 specs

MSRP

$350

$499

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Casio GST-B400vsZelos GT

At a glance

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