Water resistant under normal, everyday use. Stainless Steel Band 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. 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. REPEAT indicates Auto Repeat, which automatically restarts timing at the end of each countdown. The daily alarm sounds each day at the time you set. The value indicates how many daily alarms are available. The hourly time signal causes the watch to beep every hour on the hour. Allowances are made automatically for months of different lengths, including leap year.