Case / bezel material: Resin Resin Band Shock Resistant Mineral Glass 200-meter water resistance LED light (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, One-touch UTC Time Zone Access 1/100-second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Others: target time alarm, direct timing start from the timekeeping mode Countdown timer Measuring unit: 1/10 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments) 5 daily alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month Approx. battery life: 7 years on CR2016 Size of case : 52.8×49.5×16.9mm Total weight : 65g