English 
Portuguese 
Spanish 
French -62%
Casio GA-100-1A4 – Men’s G-Shock Speed Indicator Watch
THE Casio GA-100-1A4 is a robust and multifunctional men's watch, ideal for those looking for resistance, precision and style in a single accessory. Part of the renowned series G-Shock, it is designed to offer maximum durability and advanced functionality, making it a perfect companion for sports activities, adventures and everyday use.
Product Highlights:
- Shock Resistant (G-SHOCK): Exclusive Casio technology that guarantees protection against impacts and vibrations.
- Magnetic Resistant: Perfect for environments with magnetic fields, maintaining the accuracy of the clock.
- LED Light with Residual Glow: Allows reading in low light conditions, with selectable illumination duration.
- World Time: Track the time in 29 different time zones, covering 48 cities and Coordinated Universal Time.
- 1/1000 Second Stopwatch: Elapsed time, lap time and split time functions, plus speedometer.
- Countdown Timer: Programmable from 1 minute to 24 hours, ideal for monitoring different activities.
- 5 Independent Daily Alarms: Set up to 5 alarms, including one with a snooze function.
- Full Auto Calendar: Configured up to the year 2099, ensuring practicality and date accuracy.
- 12/24 Hour Format: Adapts to your time reading style.
Additional Details:
- Movement: High precision quartz, with a margin of error of only ± 15 seconds per month.
- Battery Life: Approximately 2 years with CR1220 battery.
- Water Resistance: Up to 200 meters, perfect for water activities and shallow diving.
Enjoy the imposing design with a resin case and strap, ensuring durability and comfort during use.
Technical Specifications
| Features | Details |
|---|---|
| Mark | Casio |
| Series | G-Shock |
| Model | GA-100-1A4 |
| Sex | Masculine |
| Movement | Quartz |
| Case Material | Resin |
| Case Size | 51.20 mm |
| Case Thickness | 16.90 mm |
| Case Format | Round |
| Case Back | Screwed |
| Glass Type | Mineral Crystal |
| Display Type | Analog-Digital |
| Water Resistance | 200M |
| Bracelet Type | Resin Belt |
| Closure | Buckle |
| Calendar | Day and Date |
| Additional Functions | World Time, Alarm, 1/1000 Second Stopwatch, Countdown Timer, Shock and Magnetic Resistance, LED Light. |
| Style | Sports |
| Guarantee | 1 year international warranty |
This is a watch that combines Casio precision and durability, offering not only functionality but also a bold design for those looking for a standout accessory.
Foot –
One of the best watches I've ever bought, durable and great value for money.
L***r –
The Casio GA-100-1A4 is simply perfect for my active lifestyle. I highly recommend it!
Anonymous –
The alarm function is very useful, I use it daily for my activities.
T***y –
I bought it already thinking about the resistance of the Casio brand and I was not disappointed.
G***o –
The watch is shock resistant, perfect for those who work in busy environments.
N***a –
Great option for those who like sporty and robust watches. Worth it!
F***t –
The watch is great, but I found the strap a little stiff at first.
F***m –
The quality is impressive, exactly what I expected from the G-Shock line.
B***t –
I really liked the design and the resistance of the watch, Casio always surprises.
C***n –
Good value for money, delivery was fast and the product came very well packaged.
F***h –
Long battery life, the watch has been with me for months and I haven't needed to change it yet.
E***v –
Robust watch with great finish. Excellent for those who love adventure.
Anonymous –
Wonderful watch, very resistant and comfortable on the wrist. I recommend it!
O***f –
Excellent purchase, the store was very attentive and the product arrived perfect.
J***s –
Amazing watch, super resistant and functional. Perfect for sports activities!
Frog –
I bought it as a gift for my brother and he loved it! High quality watch.
Q***m –
World time functions are an incredible advantage for those who travel a lot.
K***e –
It works very well in all aspects, I use it daily for work and sports.
Anonymous –
The stopwatch and timer functions are extremely accurate and easy to use.
Anonymous –
Excellent robust design and functionality, very happy with the purchase.
Anonymous –
The additional functions like stopwatch and timer are very accurate.
D***s –
The dial is large and easy to read, perfect for outdoor activities.
V***n –
Original and very well built product, I recommend it to anyone who wants a durable watch.
S***p –
I really liked the LED lighting, it helps a lot in low-light environments.