Casio G-SHOCK 8900 Series G-8900S-1JF Digital Watch
Casio G-SHOCK 8900 Series G-8900S-1JF Digital Watch
The Casio G-SHOCK G-8900S-1JF is a large-format digital watch from the G-SHOCK 8900 Series. It combines shock-resistant construction with a black resin design, red detailing, a metallic bezel element, and a highly legible digital display.
The watch uses Casio Module 3285, a battery-powered quartz digital movement. Its 55.1 × 52.5 × 16.3 mm case features resin and stainless steel construction, mineral glass, a resin band, and 20-bar water resistance. Functions include world time, Multi Time, a 1/100-second stopwatch, countdown timer, five alarms, full auto-calendar, and LED Super Illuminator backlighting.
The G-8900S-1JF includes a front-mounted light button, auto-light function, and Flash Alert for alarms, hourly signals, and countdown completion. Battery life is approximately three years with a CR2016 battery.
Key Features
Casio G-SHOCK 8900 Series digital watch
Battery-powered quartz movement with Casio Module 3285
Shock-resistant resin and stainless steel case construction
Mineral glass and 20-bar water resistance
World time covering 31 time zones, 48 cities, and UTC
1/100-second stopwatch and 24-hour countdown timer
LED Super Illuminator with front-mounted button and auto-light function
Approximately three-year battery life with CR2016 battery
Specifications
Specification | Details |
Brand | Casio |
Model / Reference | G-8900S-1JF |
Collection / Series | G-SHOCK 8900 Series |
Movement | Casio Module 3285 |
Movement Type | Battery-powered quartz digital |
Case Material | Resin and stainless steel |
Case Size | 55.1 × 52.5 × 16.3 mm |
Crystal | Mineral glass |
Caseback | Stainless steel |
Bracelet / Strap | Resin band |
Water Resistance | 20 bar |
Functions | World time, Multi Time, 1/100-second stopwatch, 24-hour countdown timer, five alarms, hourly time signal, full auto-calendar, Flash Alert, LED backlight |
Battery | CR2016 |
Accuracy | ±15 seconds per month |
Battery Life | Approximately 3 years |
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