Dennison is the revival of one of watchmaking's most consequential — yet often uncredited — names. The story begins with Aaron Lufkin Dennison, regarded as the father of American watchmaking: a visionary who co-founded Waltham, the pioneer of industrialised watch production in the United States, before crossing to Europe and establishing the Dennison Watch Case Company in Britain. There he registered patents for air and watertight case designs, developed new metal alloys, and built one of the world's largest watch case manufacturers. For the better part of the 20th century, Dennison was the name behind the names: the company manufactured cases for Rolex, Omega, IWC, Jaeger-LeCoultre, and Zenith — the very brands that defined the golden age of Swiss horology. For over 50 years, Dennison also produced cases and instruments for the British Military. Thirteen Smith watches built with Dennison Aquatite cases made it to the summit when Sir Edmund Hillary and Tenzing Norgay first climbed Everest. A Dennison-cased watch was on the wrist of Lt. Commander Lithgow when he broke the world air speed record in the Supermarine Swift. The revived Dennison brand was built by a team of passionate collectors who explored the company's archives, artifacts, and historical documents — including visits to the New York Horological Society and the estate of A.L. Dennison's biographer. From that research came a clear creative direction, entrusted to Emmanuel Gueit, the Geneva-born designer who created the Audemars Piguet Royal Oak Offshore Chronograph and worked for Rolex, Piaget, and others. Gueit's collections for Dennison — including the ALD, ALD Mini, and stone-dial series — pick up precisely where Dennison's case design left off in the 1960s.