G Shock 7900A-4 Rescue Series - Red

From G-SHOCK, the watch that brought unmatched toughness to personal timekeeping, comes a collection of models that deliver a level of protection. These watches are designed and engineered to become partners of people who like their activities rough and rugged.
Major features include four large bezel screws and protruding surfaces that divide the form of the watch into six sections for a fashionable design. Buttons are among some of the largest available in the G-SHOCK lineup for easy operation.
Low-temperature resistance allows operation even under very cold conditions, while moon and tide graphs provide essential information for marine leisure enthusiasts. A large LCD is divided into sections for that make information easy to locate and read whenever you need it.
This 5-color lineup offers the ultimate in easy operation and easy reading.

Specifications

        Case / bezel material: Resin
        Resin Band
        Mineral Glass
        Shock Resistant
        200-meter water resistance
        Electro-luminescent backlight
        Auto light switch, selectable illumination duration, afterglow
        Flash alert
        Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, countdown timer progress beeper, and stopwatch auto start
        Low temperature resistant (-20°C)
        World time
        29 time zones (48 cities), city code display, daylight saving on/off
        Moon data (moon age of the input data, moon phase graph)
        Tide graph (tide level for specific date and time)
        1/100-second stopwatch (ST1)
        Measuring capacity: 999:59'59.99''
        Measuring modes: Elapsed time, split time, 1st-2nd place times
        Other: 5-second countdown auto start
        1/100-second stopwatch (ST2)
        Measuring capacity: 999:59'59.99''
        Measuring modes: Elapsed time, split time, 1st-2nd place times
        Countdown timer
        Measuring unit: 1 second
        Countdown range: 24 hours
        Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
        Others: Auto-repeat, progress beeper
        5 multi-function alarms (with 1 snooze alarm)
        Hourly time signal
        Full auto-calendar (to year 2099)
        12/24-hour format
        Button operation tone on/off
        Regular timekeeping: Hour, minute, second, pm, month, date, day
        Accuracy: ±15 seconds per month
        Approx. battery life: 2 years on CR2025

Size of case : 52.4×50×17.7mm