Features Resin Band/Semi Glossy green Rotary switch at 3 o Clock LED Light/Backlight Auto Light Switch Case / bezel material: Resin Resin Band Magnetic Resistant Shock Resistant Mineral Glass 200-meter water resistance World time Stopwatch with Target Time alarm 1/100-second stopwatch Countdown timer 5 daily alarms (with 1 snooze alarm) Size of case : 55x51.9x18.3mm Total weight : 70g Specifications LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow World time 31 time zones (48 cities + coordinated universal time), one-touch UTC time zone, daylight saving on/off, Home city/World time city swapping 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 minute to 60 minutes (1-minute increments) Other: Auto switching to elapsed time measurement (up to 60 minutes, 1-second units) when the end of a countdown timer operation is reached 5 daily alarms (with 1 snooze alarm) Hourly time signal Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (countdown timer minutes) Digital: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month Approx. battery life: 3 years on SR927W x 2