ProductsFrederique Constant Introduces a New Slimline Auto HeartBeattimonlineFebruary 10, 2023April 7, 2023 by timonlineFebruary 10, 2023April 7, 20230841 🔊 Listen to this In 2023, the Swiss watch manufacturer Frederique Constant is further enriching and consolidating its Slimline collection, which has become over the