This Casio G-Shock AQ-S820W-3BV is a solar-powered watch with 100-meter water resistance, inspired by aircraft instrument panels. It features a round, flat bezel and white indexes and hands for enhanced readability. A 6 o'clock LCD displays date, day, and world time.
- Case size: 52.5 × 50.1 × 12.7 mm
- Weight: 46 g
- Case and bezel material: Resin
- Band material: Resin
- Water resistance: 100-meter (10 Bar)
- Power system: Tough Solar (solar charging system)
- Glass type: Resin glass
- Band fits: 145–215 mm
- World time: 48 cities (31 time zones, DST, home city swap)
- Stopwatch: 1/100 sec, 60-minute capacity, split time
- Timer: 2 interval timers (set in 5 sec increments, up to 99 min 55 sec), repeat function (1-10 times)
- Alarms: 5 daily alarms, hourly time signal
- Backlight: LED (amber), afterglow, selectable illumination duration (1.5 or 3 seconds)
- Calendar: Full auto-calendar
- Other features: Button operation tone ON/OFF, power saving function