Illuminator shock resistant telememo 25 world time function day counter 5 stopwatch function 1100 sec 24 hours timer 11 min 24 hours 5 daily alarms button tones onoff automatic calendar 1224 hour timekeeping mineral glass resin case and band water resistance classification 20 bar accuracy 30 sec seconds per month type of battery cr1616 dimensions approx 459mm x 426mm x 154mm h x w x d weight approx 430 g