Now in its revised sixth edition, this classic reference book is designed for the collector, with a historical survey, hundreds of color and black and white illustrations, a description of how mechanical wristwatches work, and a thorough glossary. Updated price ranges for various wristwatches are included, along with a chapter on fakes, knock-offs, and hybrids, even a chapter on the popular Swatch watches is included. Information on the preservation, care, and repair of wristwatches rounds out the volume, making it the most complete reference for novice and experienced collectors alike.