Frederique Constant Watch Highlife Auto Aqua FC-303LB2NH6B. Over 20 years ago, back in 1999, Frederique Constant introduced the very first Highlife watches. The Maison revived the iconic design, reintroducing the collection with resolutely modern curves rooted in the 21st century. Owing to its popularity, the latter inspired the eponymous collection for women, unveiling the sophisticated and fashion-forward modern women of today and tomorrow.