Casio G-Shock G-7900-2DR | 200M Water Resistant Shock Resistant Tide Graph
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Casio G-Shock G-7900-2DR | 200M Water Resistant Shock Resistant Tide Graph
Master the Elements: G-Shock's Indestructible Tide Tracker
Designed for the intrepid explorer and water sports enthusiast, this G-Shock is engineered to withstand the toughest conditions. Its robust shock and 200m water resistance, combined with essential tide and moon data, make it the ultimate companion for marine adventures and extreme environments.
Specifications
| Case Size (L×W×H) | 52.4 × 50 × 17.7 mm |
| Weight | 68.2 g |
| Case & Bezel Material | Resin |
| Band Material | Resin Band |
| Construction | Shock Resistant |
| Water Resistance | 200 Metres |
| Environmental Resistance | Low Temperature Resistant (–20°C) |
| Battery Life | Approx. 2 years on CR2025 |
| Glass | Mineral Glass |
| World Time | 29 Time Zones (48 Cities), DST On/Off |
| Moon Data | Moon Age, Moon Phase Graph |
| Tide Graph | Tide Level for Specific Date & Time |
| Stopwatch | 1/100-second, up to 999 hours, with 5-second auto start |
| Countdown Timer | 1-second unit, 24-hour range, Auto-repeat, Progress Beeper |
| Alarm/Time Signal | Hourly Time Signal |
| Flash Alert | Flashes with buzzer for alarms, hourly time signal, timers, and stopwatch auto start |
| Backlight | Electro-luminescent with Auto Light Switch, selectable duration (3s/5s), Afterglow |
| Backlight Colour | Blue Green |
| Calendar | Full Auto-calendar (to 2099) |
| Mute Feature | Button Operation Tone On/Off |
| Accuracy | ±15 seconds per month |
| Other Features | 12/24-hour Format |
Key Features
- Shock Resistant construction for ultimate durability.
- 200-meter water resistance, ideal for marine activities.
- Essential Tide Graph and Moon Data for water sports.
- Low temperature resistant down to –20°C.
- Electro-luminescent backlight with auto light switch.
- Flash alert system for critical time notifications.



