Casio Digital Illuminator Watch

Features Water resistant to 100 meters Electro-luminescent backlight with afterglow 1/100 second stopwatch Measuring Capacity: 23:59'59.99" Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes ) Measuring mode: net time, split time 1st-2nd place times Countdown alarm Input range: 1 second to 24 hour Measuring unit: 1 second Auto-repeat function Multi-featured alarm (day, date) Hourly time signal Auto-calendar (pre-programmed until the year 2039) 12/24-hour formats Accuracy: ? 15 seconds per month Battery: approximately 2 years