10-Year Battery 30 page databank 8 letters and 16 numerals per page Auto-sort function 50 meter water resistant Analog digital combination World Time 29 times zones, 30 cities Daylight-saving time on/off LED light with afterglow 1/100 second stopwatch Measuring capacity: 23:59 #39;59.99 #34; Measuring mode: Elapsed time, split time, 1st-2nd place times Countdown timer Input range: 1 minute to 24 hours Unit: 1 second 3 daily alarms (1 with snooze) Hourly time signal Auto-calendar (pre-programmed until the year 2099) 12/24-hour formats Accuracy: 30 seconds per month Approx. battery life: 10 years on CR2025 Module 2747 AW-80V-5BVDF.jpg ORIGINAL, GARANSI RESMI 1 TAHUN DARI CASIO (KARTUGARANSI), MANUAL BOOK, KWITANSI.