Casio G-Shock Original GA-100-1A4ER Watch

Water-resistant and shockproof sports watch with quartz movement. Equipped with Auto-LED backlight . The hands are coated with a fluorescent Neobrite layer, allowing time to be read in the dark. The analog-digital dial is protected by mineral glass with a Mohs hardness level of 5 .

Robust construction

The use of the G-Shock system and a carbon-reinforced case increases the watch's resistance to shocks and mechanical damage. The mineral glass covering the dial has a Mohs hardness level of 5 .

The model features high water resistance and is resistant to submersion up to 200 meters (20 bar) , making it safe for swimming and even diving.

The case is designed to protect the movement from the effects of magnetic fields in accordance with ISO Standard 764 .

Dial, Auto-LED backlight, Neobrite

Analog-digital dial with a diameter of 35 mm allows time display in 12/24-hour format . It is equipped with Auto-LED backlight , which can activate automatically when the wrist is turned towards the face. Hands coated with fluorescent Neobrite layer allow for operation in low-light conditions or complete darkness.

Flexible strap

Comfortable wear is ensured by a black-colored elastic strap fastened with a metal buckle . The material is resistant to moisture and sweat, making it ideal for various activities.

5 alarms, calendar, stopwatch, timer, world time function, average speed measurement

The watch is equipped with:

• 5 daily alarms with snooze function
• advanced perpetual calendar
• stopwatch with a measurement duration of up to 100 hours and 1/1000 second accuracy
• countdown timer up to 24 hours
• world time function for checking the time in different time zones
• average speed measurement over a traveled distance

Main features

• G-Shock system
• water resistance up to 200 meters
• sustainable construction
• Auto LED backlight function
• fluorescent Neobrite coating on the hands
• quartz movement
• calendar
• stopwatch
• timer
• world time function
• 5 alarms