Watch Catalog

Casio Baby-G MSG-B100G-1A

Rose gold, 47.5 × 37.2 mm, module 5659, solar.

  • Japan: MSG-B100G-1AJF
  • Module 5659
  • 47.5 × 37.2 mm
  • 100 m
  • Mineral Glass

Specifications

Module
Casio module 5659, solar powered · how to set it
Power
Tough Solar (Solar powered)
Accuracy
±15 seconds per month (with no mobile link function)
Case size
47.5 × 37.2 mm (length × width)
Thickness
9.7 mm
Case
Resin / Stainless steel
Crystal
Mineral Glass
Water resistance
100 m
Weight
38 g
Strap
Resin Band
Colour
Rose gold
Features
12/24-hour format, Alarm/hourly time signal, Battery display/alert, Calendar, Day display, Energy saving feature, Hand shift feature, Light, Light color, Mute feature, Run time, Shock Resistant, Stopwatch, Timer, World time
Released
2021-08
Series
Casio Baby-G

Questions

What is the Japanese model number of the Casio MSG-B100G-1A?

Casio's Japanese site names it the MSG-B100G-1AJF: the same watch, its code with the Japanese market suffix.

What module is in the Casio MSG-B100G-1A?

Module 5659, 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 MSG-B100G-1A 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 MSG-B100G-1A have a sapphire crystal?

No. The MSG-B100G-1A has a Mineral Glass crystal.

How water resistant is the Casio MSG-B100G-1A?

100 m (10 bar). That covers swimming and snorkelling; it is not a diver's watch.