The Gruen School of Watchmaking created the Gruen Horological Text in 1948 as a means of teaching students how to clean & repair wristwatches. It covers all aspects of watch repair, including advanced topics such as balance poising and hairspring manipulation. Readers new to watch repair will enjoy the hands-on, step by step style of the textbook. Also included are company memos announcing new watch technologies and changes to the procedures for working on watches. Additionally, this book includes the 8 Gruen Technical Bulletins. While this is Gruen text and the Curvex movement is used in examples, it is in no way specific to Gruen watches. The techniques taught apply to all makes of wristwatches.

This volume contains a practical guide to repairing watches as a hobby, designed to furnish the novice enthusiast with an elementary understanding of watches that will enable them to clean them and make minor repairs. Written in simple, concise language and full of handy tips and useful diagrams, this text is ideal for those with an interest in amateur watch maintenance, and makes for a great addition to collections of allied literature. The chapters of this book include: How a Watch Works; Tools and How to Use Them; How to Take Down, Clean, and Reassemble a Watch; Common Ailments of a Watch... and more. This antiquarian book is being republished now complete with a new introduction on the history of clocks and watches.

COLLECTING ROLEX SUBMARINER: PRESENTATION OF SUBMARINER, SEA-DWELLER AND DEEPSEA Collecting Rolex Submariner is an updated and complete book about Rolex Submariner, Sea-Dweller and DeepSea. The strong importance of these models in the international market has given life to this important book, a true worldwide best-seller. During the years, these models have achieved an impressive collectable and economical value. Thanks to well documented and meticulous research, the authors have managed to create a real “Bible” of modern and vintage models. Are you a watch collector and want to know every minimum detail about these models? Have you recently approached the world of Rolex watches and are looking for assured answers to your doubts? Are you a watch dealer and want to know exactly what you are buying or selling? Do you want to know the real value of your watches? For all this and much much more, this book is perfect for you. TOPICS With over 800 highest quality photographs, this book describes in a highly detailed way: Submariner James Bond (ref. 6204, 6205, 6200, 6538, 6538 A, 6536, 6536/1, 5508, 5510) Submariner No Date (ref. 5512, 5513, 5514, 5517, 14060, 14060 M, 114060) Submariner Date (ref. 1680, 1680/8, 16800, 168000, 16803, 16808, 16610, 16610LV, 16613, 16618, 116610, 116610LV, 116613, 116618, 116619) Sea-Dweller (ref. 1665, 16660, 16600, 116660) All the possible variants are illustrated and described for all these references, as for example: 5 Marks of the “green bezel”, ref. 16610LV, Customized dials, 6 Marks of the ref.1680, Comex, 4 Marks of the ref. 1665 “double red”, 4 Marks of the ref. 1665, Faded, rare replacement dials, limited editions, bracelets and much more. The book also provides the updated estimates of all published watches. Many fine details are illustrated for each watch: the case number, the bracelet and its references, the winding crown, the case back, the dial, the caliber with its respective year of production and the various references.

A guide for Hamilton wristwatch collectors to identify watches made between 1917 and 1969.