- Timepieces selected by senior horological expert Osvaldo Patrizzi - Comprehensive work of reference - Analysis of auction results - Finest Patek Phillipe watches - Essential for all enthusiasts - Follow-up to Investing in Wristwatches: Rolex ISBN 9781788841245 Patek Philippe: Investing in Wristwatches offers detailed insights into the world of authenticating and pricing high-value wristwatches, for all collectors from amateur to connoisseur. This publication includes the vast majority of key Patek models, along with their relevant auction results. Each timepiece has been carefully selected by legendary horological expert Osvaldo Patrizzi. These wristwatches excel for a diverse range of reasons, including technical excellence, auction records, design and anecdotal history. A description of each watch is accompanied by its picture, reference and sales values (rights included). The follow-up to Investing in Wristwatches: Rolex, this vital and comprehensive work of reference also includes a system to calculate the currency exchange rate at the time of auction sales. And a comparative analysis of auction results, compiled through close collaboration with the Sotheby's auction house, shows the evolution of prices from the '80s up to the present day.