Casio Men's PRG-270-6ACR "Pro Trek" Digital Sport Watch Imported Round resin watch with full auto-electroluminescent backlight and afterglow digital dial featuring day, date, and time display Japanese quartz movement with digital display Protective mineral crystal dial window Features altimeter, barometer, thermometer, sunrise and sunset date, world time, four daily alarms, 1/10-second stopwatch, countdown timer, 12 and 24-hour formats, and buckle closure on band Water-resistant to 100 m (330 ft): suitable for snorkeling, as well as swimming, but not diving