Automatic moon phase calculation function, Moon phase display switching function between the Northern or Southern Hemisphere, Double moon phase display, 24hrs, Date and Day Display, Eco-Drive (recharged by any light source, no need for regular battery replacement), Insufficient Charge Warning Function, Overcharge Prevention Function, Perpetual Calendar, Power Reserve Level Indication, Global Radio-Controlled, 24 Time Zone World Time, Summer Time (ON/OFF)
