Casio G-Shock GA-100-1A1
Black, 55.0 × 51.2 mm, module 5081.
- Japan: GA-100-1A1JF
- Module 5081
- 55.0 × 51.2 mm
- 200 m
- Mineral Glass
- $110
Specifications
- Module
- Casio module 5081, quartz · how to set it
- Power
- Approx. battery life: 2 years on CR1220 · other watches that take CR1220
- Accuracy
- ±15 seconds per month
- Case size
- 55.0 × 51.2 mm (length × width)
- Thickness
- 16.9 mm
- Case
- Resin
- Crystal
- Mineral Glass
- Water resistance
- 200 m
- Weight
- 70 g
- Strap
- Resin Band
- Colour
- Black
- Features
- 12/24-hour format, Alarm/hourly time signal, Calendar, Light, Light color, Magnetic Resistant, Shock Resistant, Stopwatch, Timer, World time
- Released
- 2010-02
- Series
- Casio G-Shock, GA-100
Questions
What is the Japanese model number of the Casio GA-100-1A1?
Casio's Japanese site names it the GA-100-1A1JF: the same watch, its code with the Japanese market suffix.
What module is in the Casio GA-100-1A1?
Module 5081, a quartz 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.
What battery does the Casio GA-100-1A1 take?
CR1220. Casio's figure: Approx. battery life: 2 years on CR1220.
Does the Casio GA-100-1A1 have a sapphire crystal?
No. The GA-100-1A1 has a Mineral Glass crystal.
How water resistant is the Casio GA-100-1A1?
200 m (20 bar). That covers swimming, snorkelling and skin diving; it is a certified diver's watch only if the brand says so.