Casio Men’s G7900A-4 G-Shock Rescue Red Digital Sport Watch

Product Overview

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The Casio Men’s G7900A-4 G-Shock Rescue Red Digital Sport Watch is a rugged, feature-packed timepiece built for outdoor enthusiasts, athletes, and anyone who demands reliability in extreme conditions. Designed with a bold rescue red color scheme, this watch combines high-impact durability with practical functions tailored for marine and field use. Its shock-resistant construction and 200-meter water resistance make it ideal for water sports, hiking, and daily wear in challenging environments. Whether tracking tides, monitoring moon phases, or timing workouts, this G-Shock delivers dependable performance in a compact, masculine design.

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Key Features

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• Shock Resistant & 200M Water Resistant – Built to withstand drops, impacts, and submersion up to 200 meters, making it suitable for swimming, snorkeling, and high-impact activities.

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• New Four Point Design Protection – Reinforced structural design enhances durability by absorbing shock from multiple angles, protecting internal components during rough use.

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• Large Buttons & Display Format – Easy-to-read digital display and oversized buttons allow for quick, intuitive operation even with gloves or in wet conditions.

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• Tide & Moon Data – Includes tide graph and moon phase information based on input date and time, essential for surfers, fishermen, and outdoor adventurers.

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• Low Temperature Resistant LCD (-20°C / -4°F) – Maintains clear visibility and functionality in freezing environments, ideal for winter sports and cold-weather expeditions.

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• Auto EL Backlight with Afterglow – Automatically illuminates the display in low light, with a persistent afterglow for continued readability in the dark.

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• Flash Alert System – Visual and audible alerts flash and beep for alarms, hourly signals, countdown timer completion, and stopwatch auto-start, ensuring you never miss an important cue.

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• World Time with 29 Time Zones – Displays time for 48 cities worldwide, with daylight saving adjustments, perfect for travelers and professionals working across time zones.

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• 4 Multi-function Alarms & Snooze – Set up to four daily alarms with a dedicated snooze function for added convenience in daily routines.

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• Countdown Timer (1 sec to 24 hrs) – Programmable in 1-minute and 1-hour increments with auto-repeat and progress beeper, useful for workouts, cooking, or timed activities.

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• 1/100 Second Stopwatch (Dual Mode) – Features two independent stopwatches (ST1 and ST2) with lap/split time tracking and 5-second auto-start for precise timing.

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• Auto Calendar (Pre-programmed to 2099) – Never manually adjust the date; the calendar automatically accounts for leap years and month lengths.

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• Button Tone On/Off – Customize audible feedback for button presses to suit quiet environments or personal preference.

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Technical Specifications

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• Module: 3194

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• Battery: CR2025 (included)

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• Battery Life: Approximately 2 years

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• Accuracy: ±15 seconds per month

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• Display: Digital LCD with auto EL backlight

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• Water Resistance: 200 meters (20 bar)

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• Shock Resistance: Yes

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• Temperature Resistance: -20°C to normal operating range

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• Time Format: 12/24 hour selectable

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• Dimensions: 1 x 1 x 1 inches

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• Weight: 1.55 ounces

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• Item Model Number: G7900A-4

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• ASIN: B00284ADEE

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• Department: Watches

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• Manufacturer: Casio

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• Date First Available: October 21, 2009

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• Batteries Required: 1 Lithium Metal battery (included)

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Benefits & Use Cases

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This G-Shock is engineered for active lifestyles. Surfers and fishermen benefit from real-time tide and moon data to plan optimal conditions. Outdoor adventurers rely on its cold-weather resilience and shock protection during mountain treks or snow sports. Athletes use the dual stopwatch and countdown timer for interval training, while travelers appreciate world time and alarm functions for staying on schedule. The durable build and intuitive controls make it equally suited for everyday wear, work environments, or emergency preparedness kits.

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Important Notes

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The Casio G7900A-4 is not discontinued by the manufacturer and remains a current model in the G-Shock lineup. Product dimensions are compact at 1 x 1 x 1 inches, making it lightweight and comfortable for extended wear. A lithium metal battery (CR2025) is included and expected to last approximately two years under normal use. For warranty details, customers are directed to the manufacturer’s official support page. This model holds a strong customer rating of 4.8 out of 5 stars based on over 2,700 reviews, reflecting high satisfaction with its performance and durability.