Tudor Pelagos FXD 42mm 25707B MN23 2023 [Preowned]Overview The Tudor Pelagos FXD reference 25707B is a highly specialized, professional grade dive watch developed in direct collaboration with the prestigious French Navy's combat swimmers (Marine Nationale). This purpose built model distinguishes itself from standard Pelagos references with a unique design focused on military underwater navigation and extreme durability. The watch is built around a robust 42mm titanium case, which is both lightweight