Casio unisex watch

50M Water Resistant Auto EL Backlight with Afterglow Dual Time Daily Alarm Countdown Timer Measuring unit: 1/10 second Countdown range: 1 second to 24 hours Auto-repeat function 1/100 second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar 12/24 Hour Formats Accuracy: +/-30 seconds per month Battery CR1616 Approx. battery life: 3 years Module 1949 Size of case / total weight 41.0 x 35.0 x 9.5mm / 30g