-Case / bezel material: Resin-Stainless Steel Band-Adjustable Clasp-Resin Glass-LED light-Auto light switch, afterglow-Data Bank-Memory capacity: Up to 25 sets of data, with 8-character name and 15-digit telephone number-Others: Remaining memory screen, auto-sort, support for characters of 13 languages (English, Portuguese, Spanish, French, Dutch, Danish, German, Italian, Swedish, Polish, Romanian, Turkish, Russian)-Dual time-Other: Daylight saving time-8-digit calculator-Calculation modes: Arithmetic operations and currency conversion-1/100-second stopwatch-Measuring capacity: 23:59'59.99''-Measuring modes: Elapsed time, split time, 1st-2nd place times-5 multi-function alarms (with 1 snooze alarm)-Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm-Hourly time signal-Full auto-calendar (to year 2099)-12/24-hour format-Button operation tone on/off-Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day-Accuracy: ±30 seconds per month-Approx. battery life: 3 years on CR1616 Casio Casio Digital Calculator Watch (DBC-611G-1D)