Book Description: Through over 200 vivid color photos, detailed descriptions, and in-depth reporting about valuations, this book is a guide for both watch lovers and investors. It opens up new investment possibilities for the selection and purchase of rare watches by Patek Philippe using an unerringly promising approach! These valuable watches from Geneva represent real property. In an era of bank failures and immense losses, when investors are looking for investments in properties of certain value, classic Patek Philippe wristwatches can be nearly crisis-proof additions to an investment portfolio. This reference gives readers all the necessary details about vintage watches, from dials to hallmarks, allowing readers to invest with confidence. And, of course, this magnificent book contains plenty of information and beautiful photography for those who want only to appreciate the art, aesthetics, and technical excellence of these fine watches.