PRODUCT DETAILS: Illuminator Shock resistant Universal time function Stopwatch - 1/100 sec. - 24 hours Timers - 1/1 second - 1 hour 5 Daily Alarms Alarm clock function Button sound on/off Automatic calendar 12/24 hour timekeeping Mineral crystal Resin box Resin strap Battery life approx. 5 years. Water resistant 20 ATM 3-year official warranty