Frédérique Constant FC-505

The FC-505 is a smartwatch movement manufactured by Frederique Constant, based on the in-house FC-500 caliber and launched in 2016. It retains the core functions of the FC-500 while adding smartwatch capabilities, allowing the wearer to track activity and receive notifications. The movement is produced in-house, reflecting Frederique Constant's investment in wearable technology. It remains in production and powers the品牌的 smartwatch-equipped models.