Case / bezel material: Resin Resin Band Shock Resistant Mineral Glass 200-meter water resistance Electro-luminescent backlight Afterglow Flash alert Flashes with buzzer that sounds for alarm, hourly time signal, countdown timer time up alarm 1/100-second stopwatch Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Multi-function alarm Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day Diameter 50mm Case size (L x W x H) : 53.2 x 50 x 18.7 mm