Case / bezel material: Resin Resin Band Neobrite Shock Resistant Mineral Glass 100-meter water resistance LED light Afterglow World time Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) 5 daily alarms (with 1 snooze alarm) Hourly time signal Button operation tone on/off 12/24-hour format Full auto-calendar (to year 2099) Regular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day Accuracy: ±30 seconds per month Battery: SR726W × 2 Size of case : 46.3×43.3×15.8mm Total weight : 45g