Casio DB-360N-1AEF Functions LED A light-emitting diode (LED) is used to illuminate the watch face. Telememo Built-in memory provides storage for names and telephone numbers. The value indicates the maximum number of entries that can be stored. Dual Time Simultaneous display of the current time in two different time zones. Stopwatch Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement. Timer Counts down from a start time specified by you. The value indicates the number of timers available, while the time figure indicates the maximum starting time. R indicates Auto Repeat, which automatically restarts timing at the end of each countdown. Multi Alarm, Hourly Time Signal Multi Alarm lets you set a daily alarm (time setting only), or an alarm for a specific time on a specific day (month, day, and time setting). The value indicates how many multi-alarms are available. The hourly time signal causes the watch to beep every hour on the hour. Snooze Feature Each time you stop the alarm, it sounds again after a few minutes. Full Auto Calendar Allowances are made automatically for months of different lengths, in case date corrections for leap years are required. 12/24-hour Timekeeping Times can be displayed in either a 12-hour or 24-hour format. Stainless Steel Band One-touch 3-fold Buckle Water Resistant Water-resistant under normal, everyday use.