The G-8900S, with its distinctive front button and large case, is part of the G-SHOCK line of toughness watches that have continued to evolve in pursuit of ever-increasing strength since their release in 1983.
With a large, easy-to-read LCD screen, a big case, and front buttons, this is a model that truly is a G-SHOCK.
The watch has a black base, a stainless steel bezel, and red, the G-SHOCK brand color, as an accent color.
In addition to basic functions such as world time and stopwatch, the large front button is easy to operate, and the high-brightness LED backlight ensures visibility in the dark.
A stable design that can be used as a standard for both casual and work styles.

- Shock-resistant construction
- 20 ATM water resistance
Multi-time: You can register four different cities and switch the display or swap the cities.
World time: 48 cities (31 time zones, daylight saving time setting function) + UTC (Coordinated Universal Time), home city swap function
・ Stopwatch (1/100 seconds, 24 hour counter, split)
- Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second units)
Five time alarms (one-time alarm/daily alarm switching function)
- Fully automatic calendar
・ Switch between 12/24 hour format
- Operation sound ON/OFF switching function
LED backlight (with auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds))
- Flash notification function (alarm/hourly time signal, timer time-up, timer-linked flash)
Battery life: Approximately 3 years *Battery life is calculated from the time of manufacture as it is a monitor battery.
Model Number: G-8900S-1JF