At Frederique Constant, we believe in cultivating good working relationships with our suppliers and subcontractors. We don't limit ourselves to a select few, but always attempt to find the best possible sources of the finestquality materials and components that go into Frederique Constant watches. As such, we deal with more than 60 individuals and manufacturing companies to source the many different parts that go into our timepieces, including dials, cases, crowns, hands, screws, rubies, springs and watch straps. (1) No Fields Found.