Casio Mens DBC310-1 Databank 300 Digital Watch (Discontinued by Manufacturer) 300 pages of Telememo and Schedule memo Words up to 8 letters and numbers up to 12 numerals can be memorized Auto sort function & initial character search function Date and month function 300 Page Databank 8 letters and 12 numerals per page Memory shared between telememo and schedule memo Auto-sort function. EEPROM memory protection. 8-Digit Calculator Constants for addition, subtraction, multiplication and division. EL Backlight with Afterglow. World Time 24 time zones (23 cities), city code display, daylight saving on/off. Daily Alarm. Countdown Timer Measuring unit: 1 second Countdown range: 1 minute to 24 hours Auto-repeat Function. 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 2094. 12/24 Hour Formats. Accuracy: +/-30 seconds per month. Battery CR2016. Approx. battery life: 2 years. Module 1478