G Shock G7900A-4 Standard Digital Watch

Specifications: G Shock G7900A-4

* Case / bezel material: Resin

* Resin Band

* Mineral Glass

* Shock Resistant

* 200-meter water resistance

* Electro-luminescent backlight

* Auto light switch, selectable illumination duration (3 seconds or 5 seconds), 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), 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 / Total weight

* Size of case : 52.4×50×17.7mm

* Total weight : 68.2g