Casio G-7900A-4DR Men’s G-Shock Environmental resistance Watch

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.

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

Weight: 68.2 g

Case and bezel material: Resin

Band: Resin Band

Shock Resistant

Water resistance: 200-meter

Environmental resistance

Low temperature resistant (-20℃)

Power supply and battery life

Approx. battery life: 2 years on CR2025

Glass: Mineral Glass

World time

World time

29 time zones (48 cities), daylight saving on/off

Moon data

Moon data (moon age of the input data, moon phase graph)

Tide graph

Tide graph (tide level for specific date and time)

Stopwatch

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

Timer

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

Alarm/hourly time signal

Hourly time signal

5 multi-function alarms (with 1 snooze alarm)

Flash alert feature

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

Light

Electro-luminescent backlight

Auto light switch, selectable illumination duration (3 seconds or 5 seconds), afterglow

Light color

EL:Blue Green

Calendar

Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off

Accuracy

Accuracy: ±15 seconds per month

Other features

12/24-hour format

Regular timekeeping:

Hour, minute, second, pm, month, date, day