Resin Glass 50-meter water resistance Case / bezel material: Resin Resin Band 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 (29 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 Size of case:43.840.710.9mm Total weight: 35.1 g LED:Amber