The DW-5900U-1JF is a faithful reproduction of the original DW-5900C, a G-SHOCK model that first gained popularity overseas with its distinctive three digital graphics before its successful release in Japan. This model meticulously recreates the design of the initial DW-5900C, down to the colors used on the dial.
- Case size: 51.4 × 46.8 × 15.5 mm
- Weight: 60g
- Case and bezel material: Resin
- Band material: Resin band
- Water resistance: 20 bar
- Power source/battery life: Approximately 10 years
- Glass: Inorganic glass
- Band size: 145–215 mm
- World time: Displays time for 48 cities (29 time zones), with daylight saving time settings
- Stopwatch: Measures in 1/100-second increments, with a 60-minute capacity and split time function
- Timer: Set in 1-minute increments, with a maximum set time of 24 hours, measured in 1-second increments
- Alarm: 5 daily alarms (one with snooze function) and hourly time signal
- LED backlight: Super Illuminator with afterglow and selectable illumination duration (1.5 or 3 seconds)
- LED color: White
- Full auto-calendar
- Button operation tone ON/OFF
