Casio #EDB110F-8V Men's Gunmetal Stainless Steel Duplex LCD World Time e-Databank Watch Imported Data Memory: maximum of 50 page Memory Electro-luminescent backlight with afterglow, Dual Time 1/100 second watch-Measuring capacity: 23:59'59.99", Measuring modes: elapsed time, split/lap time, 1st-2nd place Daily alarm with snooze, Hourly time signal, Auto-calendar (pre-programmed until the year 2039) Accuracy:  15 seconds per month, Battery: Approx. 2 years on CR2016