The BG-169 series is equipped with a round front protector that provides impact resistance. It is also well-equipped with convenient features such as a water resistance of 20 bar. Mineral Glas. Shock Resistant. 200-meter water resistance. Case / bezel material: Resin / Stainless steel. Resin Band. LED backlight. Afterglow. Telememo Memory capacity: Up to 25 sets of data each set including; Name (8 characters) and telephone number (12 digits) Other: Auto-sort. World time 29 time zones (30 cities) city code display daylight saving on/off Day Counter Automatically counts down the days from the current date to a target date. Memory capacity: 5 records (8 characters each) A mark appears on the display to let you know when a target date is reached.. 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time split time 1st-2nd place times. Countdown timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-mimute increments and 1-hour increments). 5 independent daily alarms. Hourly time signal. Full auto-calendar (to year 2099). 12/24-hour format. Button operation tone on/off. Regular timekeeping: Hour minute second am/pm year month date day. Accuracy: ±30 seconds per month. Approx. battery life: 3 years on CR1616. Module 3189. Size of case: 45.9×42.6×15.4mm. Total weight: 43 g.