Patek Philippe Complication Chronograph Series, Perpetual Calendar Couple Watches! Multifunction watch! Equipped with imported 9100 moon phase function movement, the mechanical watch travels accurately (zero repair)! Roman Swarovski rhinestones are used as scales on the dial to show the luxurious temperament of this watch! Men’s diameter is 41 mm, thickness is 10 mm, women’s model is 35 mm, thickness is 10 mm! The function of the watch integrates the functions of day/month/date/moon/sun in one, the best watch for men and women couples!