The book describes methods for repairing watch mechanisms of various types; methods of disassembly, cleaning, lubrication, assembly and adjustment of the watch are indicated; a variety of tools are shown and used for this purpose; methods of manufacturing some watch parts are considered; gives calculations of the number of teeth of wheels and tribas of watch mechanisms, spring thickness, various recipes, information of a reference nature, etc. The book is intended for those who want to master watch repair or improve their qualifications.