Frederique Constant is known for its classical and refined timepieces of exceptional value. The case is crafted from yellow gold plated steel and has a diameter of 40mm with Convex sapphire and 2-O-Rings crown and a slim height of 10.0mm. Water-resistant to 6 ATM .Clean lines and a classic appearance are the hallmarks of every watch within the Classics Collection. Other attributes include reliability and durability. Every timepiece within the Classics Collection has been engineered to the most exacting standards.