The new GA-2100RL-1AJF pays meticulous tribute to its predecessor while integrating cutting-edge G-SHOCK technologies. Its stainless steel case and bio-based resin band replicate the original's design, right down to the dimples and details.
Iconic colour accents — red for determination, blue for water resistance, and yellow for shock resistance — remain true to the classic model, as does the signature brick pattern symbolizing toughness. Enhanced features like a high-brightness LED backlight and an updated 42.3 mm case size blend modern functionality with timeless aesthetics.
With features such as 20-bar water resistance, hand shift, World time and essential functions like a stopwatch, countdown timer, and alarms, this model reinforces G-SHOCK's trailblazing vision of durability, design, and performance.
12/24 Hour Format
Digital time display can be configured to either 12-Hour or 24 Hour Format
Water Resistant
200 Metres Water Resistant
Accuracy
+/- 15 seconds per month
Alarm Function
5 Daily Alarms: Each will sound every day at the time you set, Hourly time signal: The watch beeps every hour on the hour
Auto Calendar
Once set, the automatic calendar always displays the correct date
Band Material
Resin
Battery Life
Approximately 3 years
Core Guard Structure
New Carbon Core Guard Structure
Countdown Timer Function
Countdown Range: 24 hours, Measuring Unit: 1 second
Date and Weekday Display
The current date and week day are displayed on the watch face
Date Display
The current date is displayed on the watch face
Dimensions
48.5 x 45.4 x 11.8 mm
Hand Shift Function
With a push of a button, hands move away from the LCD to permit free visibility.
Display Illumination
Auto Light: The watch face will illuminate automatically when you tilt your wrist towards you. Once activated, this feature will automatically deactivate after six hours., Dual Illuminator: Separate illumination of the analogue and digital components ensures optimum readability in low light conditions., Selectable illumination duration (1.5 seconds or 3 seconds), With afterglow
Mineral Glass
Mineral Glass- Toughened and able to withstand most scratches
Mute Function
Function that enables the watch to use silent mode, and therefore emit no sound
Shock Resistant
Patented Hollow Core Guard Structure protects against impact and vibration
Stopwatch Function
Measuring Capacity: 24 hours, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes)
Weight (Gram)
57
World Time
Displays the current time in major cities and specific areas around the world