It is advisable to have your treasured timepiece serviced by Patek Philippe's skilled artisans every three to five years, following established horological practices. This regular maintenance will preserve the quality and appeal of your watch over time. The frequency of servicing depends on the specific condition and characteristics of your timepiece. Engaging the expertise of an official Patek Philippe service, led by experienced professionals in the field of jewelry, will help prevent potential damage and maintain the inherent value of your watch.