Casio never let down its fans to rethink any other stylish watch. G-shock GA-100 is another example of this consistent habit. Here comes another model with a traditional and sleek rugged big case design which continues to add more to the reputation of G-shock watches.
It is a beautiful looking 3 eyed Ana-Digi monster watch. The watch is really made with special attention to the details that are clearly visible in this g-shock classic addition. Large anti-skid buttons add more to provide a smoother user experience. Big design and rivet bezel adds more strength to the watch besides the design and look.
The overall design of G shock GA-100 resembles a 3-D design with prominent dial rings and raised hour markers. The watch contains three dial faces with one Analog dial in the center and the other two on both sides to give an enticing look to it. This model also comes with the traditional strength and durability of Casio G shock watches in the form of outstanding shock resistance, water resistance, and anti-magnetism as well.
One can expect the unmatched performance and availability of functions from this new G shock addition.
G-Shock GA-100 Color Variation
- GA-100-1A1DR
- GA-100-1A4DR
- GA-100-1A2DR
G-Shock GA-100-1A1DR
GA-100-1A1DR is a black model with a black dial. If we see the standard feather of GA-100-1A1DR it has, stopwatch, alarm, world time, water resistance, Shock Resistance and Auto Light .

G-Shock GA-100-1A4DR
GA-100-1A4DR is a black model with a black & Red dial. If we see the standard feather of GA-100-1A4DR it has, stopwatch, alarm, world time, water resistance, Shock Resistance and Auto Light .

G-Shock GA-100 on Amazon
G-Shock GA-100-1A2DR
GA-100-1A2DR is a black model with a black & Blue dial. If we see the standard feather of GA-100-1A2DR it has, stopwatch, alarm, world time, water resistance, Shock Resistance and Auto Light .

How to set the time of G-Shock GA-100
The manual of GA 100 covers all the basic issues a customer can face in using the watch. Detail and instructions are provided to explain the working and basic operations of this watch. G-Shock GA-100 time settings and other operations are explained briefly in the manual. For more information visit here.
Casio G Shock GA-100 Price & Availability
This exciting new model comes in a number of colors and some special limited additions to add more excitement for G Shock watch lovers. The simple full black color G-shock GA-100-1A1 is available in $99 in all stores and outlets globally.
Specification of G-Shock GA-100
- Case / bezel material: Resin
- Resin Band
- Magnetic Resistant
- Shock Resistant
- Mineral Glass
- 200-meter water resistance
- LED light
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow - World time
29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping - 1/1000-second stopwatch
Measuring capacity: 99:59’59.999”
Measuring modes: Elapsed time, lap time, split time
Others: Speed (0 to 1998 units / hour), Distance input (0.0 to 99.9)
Mach indicator (speed exceeding 1225 units / hour) - Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat - 5 daily alarms (with 1 snooze alarm)
- Hourly time signal
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month
Battery Of G-Shock GA-100
CR1220 is used in it to provide approximately 2 years of battery life for smoother and unmatched performance