Watch Catalog

Casio G-Shock GX-56BB-1

Black, 55.5 × 53.6 mm, module 3221, solar.

Specifications

Module
Casio module 3221, solar powered · how to set it
Power
Tough Solar (Solar powered)
Accuracy
±15 seconds per month
Case size
55.5 × 53.6 mm (length × width)
Thickness
17.5 mm
Case
Resin
Crystal
Mineral Glass
Water resistance
200 m
Weight
88 g
Strap
Resin Band
Colour
Black
Features
12/24-hour format, Alarm/hourly time signal, Battery display/alert, Calendar, Energy saving feature, Light, Light color, Mud Resistant, Mute feature, Run time, Shock Resistant, Stopwatch, Timer, World time
Released
2016-07
Series
Casio G-Shock, GX-56

Questions

What module is in the Casio GX-56BB-1?

Module 3221, a solar powered movement. The module number is engraved on the caseback, and Casio's operation manual is filed under it: the module page links the manual and lists every watch that shares it.

Does the Casio GX-56BB-1 need a battery change?

No routine change: it is solar powered and recharges its cell from light. Casio's power spec: Tough Solar (Solar powered).

Does the Casio GX-56BB-1 have a sapphire crystal?

No. The GX-56BB-1 has a Mineral Glass crystal.

How water resistant is the Casio GX-56BB-1?

200 m (20 bar). That covers swimming, snorkelling and skin diving; it is a certified diver's watch only if the brand says so.