Amazon.com description: Product Description: The Pre-Owned Rolex Exchange Price Guide is the most thorough, colorful, and up to date price guide available, from the most trusted name on the subject today, Paul Altieri. In the book, Altieri provides real time up to the minute valuations on all Rolex model watches currently in production including some of the more popular vintage styles. The book is well organized by category: Submariner, Daytona, Datejust, President, Vintage, Sea Dweller, GMT, Air King, Explorer, Cellini, and Milgauus. The easy to use guide describes and illustrates each model featured and provides the estimated market value as determined by our experts at Bob’s Watches. In the book, the author creates the definitive guide or reference for amateur collectors, dealers, retailers, watch stores, appraisers, and avid Rolex fans. So whether you are looking to buy, sell, or trade in used Rolex watches, browse the extensive price guide to determine the current market value or worth of any given Rolex model.