Moon / Tide Illuminator, Tough resin with polished body surround; 100 metres water resistant; Moon age and moon phase indicator for a specific date - Tide level for a specific date; Digital timekeeping, 12 or 24 hour formats; Auto calendar to year 2039; 5 Daily alarms (4 -one time alarms and one snooze alarm); Countdown timer measuring in 1 second units with an input range of 60 minutes - Progress beeper and start time setting; Stopwatch 1/100th second , split times, two finishes measuring up to 59 mins 59.99 seconds. Blue back light illuminator with auto light switch function; Two year Casio warranty. Our price includes insured UK delivery.