Chapter 1 of the “Mesure du Temps 1787” collection presents the first model featuring a mechanical architecture on full display : Chronomètre FB 2TV. Its movement is the successor to the original Calibre FB-T.FC unveiled in 2015. The new Calibre FB-TV.FC uses the same regulating principle as its predecessor, while incorporating a flying tourbillon and enhanced with two complications: stop‑seconds and a central seconds flyback reset via via a crown-integrated pusher.