Casio G-7900-3DR

Product Overview

The G-SHOCK G-7900 series is built for those who live life on the edge, providing a level of protection that matches your most rugged activities. This best-seller features a distinct six-section case design reinforced by four large bezel screws for maximum impact resistance.

Whether you are navigating freezing alpine altitudes or the high seas, this model is a reliable partner. It boasts low-temperature resistance down to -20°C and specialized data for marine enthusiasts, including Tide and Moon graphs. With some of the largest buttons in the G-SHOCK lineup, operability is effortless even when wearing gloves, while the sectioned LCD ensures all vital data is easy to locate and read at a glance.

Major Features

• Extreme Durability: A certified best-seller designed for rough and rugged activities, featuring a high-impact shock-resistant structure.

• Marine Intelligence: Equipped with a Tide Graph and Moon Data, providing essential environmental tracking for surfing, fishing, and boating.

• Low-Temperature Resistance: Reliable digital operation in freezing conditions as low as -20°C (-4°F).

• Dual 1,000-Hour Stopwatches: Two independent 1/100-second stopwatches with massive measuring capacities for simultaneous event timing.

• Tactical Operability: Features oversized, easy-access buttons and an Auto EL Backlight with an adjustable afterglow for superior usability in the dark.

• 20-Bar Water Resistance: Engineered for high-pressure water environments, making it fully suitable for swimming, snorkeling, and surfing.

Technical Specifications

Basic Information

• Case Size (L× W× H): 52.4 × 50 × 17.7 mm

• Weight: 68.2 g (Secure and lightweight for active movement)

• Material: High-durability Resin case, bezel, and band

• Construction: Shock Resistant; Low-temperature resistant (-20°C)

• Power Supply: Approx. 2-year battery life on CR2025

• Glass: Tough, scratch-resistant Mineral Glass

Watch Features

• Marine Data: Moon age/phase graph and Tide level graph for specific dates and times.

• World Time: 29 time zones (48 cities) with daylight saving on/off.

• Dual Stopwatches: Two 1/100-second stopwatches with 999:59'59.99'' capacity and 5-second countdown auto-start.

• Countdown Timer: 24-hour range with auto-repeat and progress beeper.

• Alarms: 5 multi-function alarms (including 1 snooze alarm) and hourly time signal.

• Flash Alert: Backlight flashes with buzzer for alarms, timer signals, and stopwatch auto-start.

• Illumination: Blue-Green Electro-luminescent backlight with Auto Light switch and selectable duration (3 or 5 seconds).

• Accuracy: ±15 seconds per month.

Rugged Design and Versatility

The Master of Operability

The G-7900 is defined by its industrial aesthetic. The protruding surfaces and large screws provide a physical barrier against lateral impacts, protecting the glass and buttons. The "Grip" textured buttons ensure that even with wet hands or heavy gear, you never lose control of your timing metrics.

Comprehensive Information Display

The large LCD is intelligently divided into dedicated sections. You can view the time, date, tide levels, and moon phases simultaneously, making it an indispensable tool for marine leisure and outdoor professionals who need data fast.

Meta Description

Master the elements with the G-SHOCK G-7900. Featuring Tide and Moon graphs, -20°C low-temperature resistance, dual stopwatches, and 20-bar water resistance.