Casio Men’s G7900-1 G-Shock Rescue Digital Sport Watch

Product Overview

The Casio Men’s G7900-1 G-Shock Rescue Digital Sport Watch is a rugged, feature-rich timepiece built for outdoor enthusiasts and active individuals who demand reliability in extreme conditions. Engineered with G-Shock’s signature shock-resistant technology, this watch is designed to withstand impacts, vibrations, and harsh environments without compromising performance. Ideal for surfers, hikers, campers, and emergency personnel, it combines practical functionality with durable construction. The inclusion of tide and moon data, along with world time and multiple alarms, makes it especially useful for those who rely on precise environmental tracking. With a water resistance rating of 200 meters, it’s suitable for swimming, snorkeling, and other water-based activities.

Key Features

• Shock Resistant Construction: Built with G-Shock’s Four Point Design Protection, the watch absorbs impacts from all directions, ensuring long-term durability in demanding environments.
• Tide & Moon Graphs: Displays real-time tide levels and moon phase data based on a selected date and time, making it invaluable for surfers, fishermen, and outdoor adventurers who depend on tidal patterns.
• Low Temperature Resistant LCD: Functions reliably in temperatures as low as -20°C (-4°F), ensuring readability and performance in freezing conditions.
• Auto EL Backlight with Afterglow: Automatically illuminates the display in low-light conditions, providing clear visibility at night or in dark environments with a long-lasting glow.
• Flash Alert System: Alerts users with a flashing light accompanied by a buzzer for alarms, hourly signals, countdown timer completion, and stopwatch auto-start—ideal for noisy environments or hearing-impaired users.
• World Time Function: Tracks time across 29 time zones and 48 cities, with daylight saving time adjustment, perfect for travelers or those coordinating across regions.
• Multiple Alarms & Hourly Signal: Includes four multi-function alarms and one snooze alarm, plus an hourly time signal for consistent reminders throughout the day.
• Chronograph & Countdown Timer: Features two stopwatches (ST1 and ST2) with 1/100-second precision, measuring elapsed time, split times, and lap times. The countdown timer supports settings from 1 minute to 24 hours with auto-repeat and progress beeper.
• 12/24 Hour Formats & Auto Calendar: Switch between time formats and enjoy a pre-programmed calendar that remains accurate until the year 2099.
• 200M Water Resistance: Rated for depths up to 660 feet, suitable for swimming, snorkeling, and surface water sports—though not for scuba diving.

Technical Specifications

• Model Number: G-7900-1DR
• Module: 3194
• Battery: CR2025 (included), approximately 2-year lifespan
• Dimensions: 1 x 1 x 1 inches
• Weight: 2.41 ounces
• Water Resistance: 200 meters (660 feet)
• Temperature Range: Operates down to -20°C (-4°F)
• Time Accuracy: ±15 seconds per month
• Stopwatch Capacity: 999:59’59.99″
• Countdown Timer Range: 1 minute to 24 hours (in 1-minute and 1-hour increments)
• World Time: 29 time zones, 48 cities
• Alarms: 4 multi-function alarms, 1 snooze alarm
• Backlight: Auto EL with afterglow
• Special Functions: Tide graph, moon data, flash alert, hourly signal, auto calendar
• Required Batteries: 1 CR123A (included)
• Department: Men
• Manufacturer: Casio
• ASIN: B00284ADDU
• Date First Available: September 11, 2009
• Discontinued by Manufacturer: No

Benefits & Use Cases

This watch excels in environments where precision, durability, and environmental awareness are critical. Surfers and coastal adventurers benefit from the tide and moon phase tracking, which helps predict optimal conditions for water activities. Outdoor workers and emergency responders appreciate the shock resistance, low-temperature operation, and flash alert system, which ensure functionality during high-stress situations. The world time feature supports frequent travelers, while the multiple alarms and countdown timer aid in time management during training, work shifts, or expeditions. Its compact size and lightweight design make it comfortable for all-day wear, and the large buttons and display enhance usability even when wearing gloves.

Important Notes

The Casio G7900-1 is not discontinued and remains available for purchase. It comes with one CR2025 battery pre-installed and requires no additional setup beyond initial activation. While water-resistant to 200 meters, it is not designed for deep-sea diving or high-pressure water sports. For warranty details, customers are directed to contact the manufacturer directly. The product is part of Casio’s long-standing G-Shock line, known for extreme durability and reliability in harsh conditions.