Shock Resistant 200M Water Resistant Auto LED Light with Afterglow World Time 29 time zones (27 cities), city code display, daylight saving on/off 4 Daily Alarms & 1 Snooze Alarm Countdown Timer Measuring unit: 1 second Countdown range: 1 minute to 60 minutes Auto repeat Function, Time Up Alarm, Progress Beeper 1/100 second stopwatch Measuring capacity: 59'59.99 Measuring modes: Elapsed time, split time, 1st 2nd place times Hourly Time Signal Auto Calendar (pre programmed until the year 2039) 12/24 Hour Formats Accuracy: +/ 15 seconds per month Battery CR1220 Approx. battery life: 3 years Module No: G1800/4778, G1700/4731, G1710/4737 G540/4314. G541/2838 1 year Casio warranty Authorized Casio dealer Size/Dimensions: xx Gift Box: Gift Box Material: Stainless Steel Dial Color: Black Movement: Quartz Display: Digital Chronograph: No Chronograph Water-Resistant: 200m