This beautifully illustrated volume presents an in-depth look at horology, the scientific study of time and timekeeping. Brimming with more than 150 detailed and full-color images, illustrations, charts, and technical drawings, it's a must-have for anyone interested in the art of watchmaking and watch design. But it's also much more. If you've ever wondered how watches work, or thought about how time influences our lives, then this book is also for you. It offers a comprehensive overview of watch styles, movements, complications, and parts, as well as the basics of starting and caring for a watch collection. A multifaceted study, it discusses the philosophy and measurement of time, the possibility of time travel, and the emergent smartwatch industry. A behind-the-scenes peek into the watch industry, plus pricing and market data, rounds out the contents. Readers will leave these pages with a newfound, renewed, or enhanced love of watchmaking, as well as an increased appreciation for the value of time.