Grand Complications, Volume IV provides a detailed overview of complicated watchmaking. This reference work for connoisseurs deals with each of the major horological complications by theme, from their history through to their most recent developments. Multi-complications, minute repeaters and sonneries, tourbillons, equations of time, perpetual calendars, chronographs, jump hours and retrograde mechanisms, GMTs and multiple time zones are reviewed in great detail. The latest creations by over twenty-three elite watch manufacturers are displayed and accompanied by technical descriptions, comprising more than 700 pages in this book that has already earned respect among connoisseurs.