Gents Patek Philippe Annual Calendar Moonphase in 18K white gold, Ref# 5205G-010. On original reptile strap with 18K white gold tang buckle, sapphire display case back, 40 mm case diameter. Self-winding movement with annual calendar mechanism, day, date, month, phases of the moon with 24-hour display indicator and central sweep seconds. Silver and slate dial with applied stick hour markers. Box, and setting stylus. Pristine condition.