Casio G-Shock GA-900-1A
52.8 × 49.5 mm, module 5637.
- Japan: GA-900-1AJF
- Module 5637
- 52.8 × 49.5 mm
- 200 m
- Mineral Glass
Specifications
- Module
- Casio module 5637, quartz · how to set it
- Power
- Approx. battery life: 7 years on CR2016 · other watches that take CR2016
- Accuracy
- ±15 seconds per month
- Case size
- 52.8 × 49.5 mm (length × width)
- Thickness
- 16.9 mm
- Case
- Resin
- Crystal
- Mineral Glass
- Water resistance
- 200 m
- Weight
- 65 g
- Strap
- Resin Band
- Features
- 12/24-hour format, Alarm/hourly time signal, Calendar, Hand shift feature, Light, Light color, Mute feature, Shock Resistant, Stopwatch, Timer, World time
- Released
- 2020-09
- Series
- Casio G-Shock, GA-900
Questions
What is the Japanese model number of the Casio GA-900-1A?
Casio's Japanese site names it the GA-900-1AJF: the same watch, its code with the Japanese market suffix.
What module is in the Casio GA-900-1A?
Module 5637, 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-900-1A take?
CR2016. Casio's figure: Approx. battery life: 7 years on CR2016.
Does the Casio GA-900-1A have a sapphire crystal?
No. The GA-900-1A has a Mineral Glass crystal.
How water resistant is the Casio GA-900-1A?
200 m (20 bar). That covers swimming, snorkelling and skin diving; it is a certified diver's watch only if the brand says so.