Electroluminescent back light provides clarity in any situation. World time:29â¨time zones (48 cities), city code display, daylight saving on/off. Four one-â¨time alarms and 1 snooze alarm. Face features digital and analog display.â¨1/100 second stopwatch with a measuring capacity. 4 one-time alarms and 1â¨snooze alarm. Full automatic calendar. Countdown timer.Measuring unit: 1â¨Second.Measuring capacity: 24 Hours.Input range: 1 minute to 24 hoursâ¨(1-minute increments and 1-hour increments). Module 5338. Large case designâ¨with 3-D protection case structure. Resin band and and metallic buckleâ¨closure. Water resistant up to 100 meters. Battery: SR726SW x 2. Approximateâ¨battery life: 2 years.