When there's a reason to retrofit, this book shows methods to achieve this task. Chapters include replacing a quartz movement, or changing a mechanical to quartz including replacing dial feet. Chapters include how to make a Dial Soldering Box and how to use it. The last chapter provides an easy-to-use 75-page Quartz Interchangability Chart. This 5 1/2 x 81/2 inch, spiral bound, 180-page book includes 132 photos and drawings.