PRODUCT DETAILS: Illuminator Shock resistant Carbon Core Guard Structure World Time Stopwatch - 1/100 sec. - 24 hours Timers - 1/1 second - 24 hours 5 Daily Alarms Automatic calendar 12/24 hour standard time display Mineral crystal Bio-based resin box Bio-based resin strap Battery life approximately 10 years (CR2025) Water resistant to 20 ATM 3-Year Official Warranty