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