Specifications: - 10 Year Battery - 30 Page Databank - 8 letters and 12 numerals per page - Auto-sort function - 13 Language Display - English, Portuguese, Spanish, French, Dutch, Danish, German, Italian, Swedish, Polish, Romanian, Turkish, Russian - 50M Water Resistant - LED Light with Afterglow - 5 Multi-function Alarms with snooze - Countdown Timer - Measuring unit: 1 second - Countdown range: 1 minute to 24 hours - 1/100 second stopwatch - Measuring capacity: 23:59'59.99" - Measuring modes: Elapsed time, split time, 1st-2nd place times - Hourly Time Signal - Auto Calendar (pre-programmed until the year 2039) - 12/24 Hour Formats - Accuracy: +/-30 seconds per month - Battery CR2025 - Approx. battery life: 10 years - Casio Data Bank 10 Year Battery Digital Watch DB-36-1AVDF