CASIO G-7710-1DR

Shock resistant (G-SHOCK)
Electro-luminescent backlight
Auto light switch, afterglow
Flash alert (LED indicator)
World time
28 time zones (48 cities); city code display; daylight saving on/off; 3 cities per screen
1/1000-second stopwatch
2 countdown timers (help you alternate between hand and easy pace for interval training.)
Measuring unit: 1 second
Input range: 1 second to 99 hours, 59 minutes, 59 seconds (1-second, 1-minute and 1-hour increments)
Other: Auto Repeat timing (Timer-to-timer, 5 repeats)

5 multi-function* alarms
5 independent multi-function* alarms (4 one-time alarms and 1 snooze alarm)
*Four patterns (daily, once, weekend, weekday)
Hourly time signal
*Start and stop time specification. Three patterns (daily, weekend, weekday)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minutes, seconds, am/pm, year, month, date, day
Others: Dual Time (can be assigned one of 48 city codes); week number; Dual Time Daylight
Saving Time (summer time)/Standard Time; number of days elapsed since January 1; number of days remaining until December 31
Accuracy: 15 seconds per month
Approx. battery life: 5 years on CR2025
Size of case / total weight

ORIGINAL, GARANSI RESMI 2 TAHUN DARI CASIO (KARTUGARANSI), MANUAL BOOK