Founded: 1988 | Founding place: unknown | Founded by: Peter Stas & Aletta Bax (Aletta Francoise Frédérique Stas-Bax and Peter Constant Stas) | Current headquarters: Geneva, Switzerland | Owned by: Citizen Holdings | Official name: Frederique Constant SA
A new iteration of the Classic Tourbillon is the Frederique Constant Classic Tourbillon Manufacture Aventurine, a mineral quartz material