Case / bezel material: Resin Adjustable Clasp Stainless Steel Band Resin Glass Rose gold ion plated band 50-meter water resistance LED backlight 1/100-second stopwatch Measuring capacity: 59’59.99” Measuring modes: Elapsed time, split time, 1st-2nd place times Daily alarm Hourly time signal Auto-calendar set at 28 days for February) 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day Accuracy:30 seconds per month Approx. battery life: 7 years on CR2016