LED Light. A light-emitting diode (LED) is used to illuminate the watch face. World Time Function. The world time function displays the current time in up to 29 different time zones. Stopwatch - 1/100 sec. - 24 hours. Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figures indicate the maximum time measurements. Timers - 1/1 second - 24 hours. For all those who demand precision: countdown timers are of great use when remembering special or recurring events, as they emit an acoustic signal at the programmed time. They can be set by seconds or up to an hour in advance. 5 Daily Alarms. The daily alarm will remind you of daily recurring appointments with an acoustic signal that sounds at the set time. This model is equipped with 5 independent alarms that remind you of your important appointments. Button Tone On/Off. If desired, the button tone can be deactivated with the Mode button. Once deactivated, the watch will stop beeping when switching from one function to another. Set alarms or the countdown timer remain active after deactivating the button tone. Automatic Calendar. Once set, the automatic calendar always shows the correct date. 12/24-hour Normal Time Display. Hours are displayed in either 12 or 24-hour format. Acrylic Glass. Resin Case. Resin Strap. The strap contains synthetic resin, an ideal material for this component given its extreme resistance and flexibility. Buckle. 10 Years - 1 Battery. 10 Years - 1 Battery. Thanks to an innovative electronic system, energy consumption is much lower. Water Resistance Rating (10 bar). Perfect for swimming and diving: the watch is water-resistant up to 10 bar (ISO 22810). Dimensions (H x W x D). 48.10mm x 43.70mm x 13.70mm. Weight. approx. 40.00 g