Breguet is a luxury watch, clock and jewellery manufacturer founded by Abraham-Louis Breguet in Paris, France in 1775. Since 1999, it has been a subsidiary of the Swiss Swatch Group. Headquartered in L'Abbaye, Switzerland, Breguet is one of the oldest surviving watchmaking brands and a pioneer of numerous watchmaking technologies such as the tourbillon, which was invented by Abraham Breguet in 1801. Abraham Breguet also invented and produced the world's first self-winding watch (the Perpétuelle) in 1780, as well as the world's first wristwatch in 1810 (the Breguet No.2639, for Caroline Bonaparte, Queen of Naples).

From 1870 to 1970, Breguet was owned by the English Brown family. But the ownership changed hands several times during the quartz crisis in the 1970s and 1980s. In 1976, Breguet's then-owner Chaumet closed its French factory and moved production to the Vallée de Joux in Switzerland.

In 1987, Breguet was acquired by Investcorp which, in 1991, created the Groupe Horloger Breguet (GHB). The Breguet Group consists of four subsidiaries: Montres Breguet SA, Breguet SA, Valdar SA and Nouvelle Lemania SA (which Breguet Group acquired in 1992). As a result, Breguet-brand watches are now made at the Nouvelle Lemania factory in Switzerland. In particular, Montres Breguet SA is the main company that sells timepieces under the brand name of "Breguet", and Breguet SA is the name of Breguet Group's distribution company in France.

In 1999, Groupe Horloger Breguet was acquired by the Swatch Group from Investcorp. Breguet is an active member of the Federation of the Swiss Watch Industry FH.