"These new Baby-G are compact and cute. They might be 18% smaller than the regular jellies, but they’re still just as big on fashion. 100M Water Resistant EL Backlight with Afterglow World Tim: 29 times zones (48 cities), city code display, daylight saving on/off 4 Daily Alarms & 1 Snooze Alarm Countdown Timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) 1/100 second stopwatch Measuring capacity: 59'59.99"" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Button Operation Tone On/Off Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Accuracy: +/-30 seconds per month Battery: CR1616 Approximate Battery Life: 3 Years Module 3120 37mm Case Width (Approximately 1 7/16"") Weight: 37g"