Watch case back : Case back held in place by screws
Glass : Mineral, with anti-scratch coating
Buttons : 1 winding button, 4 push buttons
Movement and mechanism:
Movement : Quartz (Japanese Casio mechanism)
Complications :
Date : Day
Chronograph : Stopwatch accurate to 1/100th of a second, Countdown timer
Alarm : 24-hour alarm
Alarm Clock : Yes
Display and features:
Display type :
Analog (hands)
Digital (LCD)
Display specifications :
Index and railway : For an accurate reading of the time
LCD : Digital Display
LED : Lighting for improved readability
Additional functions:
Functions :
Hours, minutes, seconds, dates
Awakening
Additional counters : 3
Activities :
Aviation
Running
Car racing / Rally
Swimming / Diving
Yachting / Sailing
Waterproofing and comfort:
Waterproof rating : 20 atmospheres (20 ATM) - Suitable for water sports such as diving and swimming.
Bracelet material : Resin
Bracelet color : Black
Clasp : Double-notch pin buckle (silver)
The Casio G-Shock GA-100-1A1ER is a robust and versatile watch designed for intense and varied activities. Its imposing design and resin case allow it to withstand the most extreme conditions, while offering exceptional precision and clarity thanks to its analog and digital display. It is particularly well-suited for enthusiasts of aviation, extreme sports, swimming, and diving. The 24-hour alarm option and its 1/100th-second chronograph make it a functional watch for athletes and professionals.
