Pelagos FXDThe new Pelagos FXD pays tribute to decades of TUDOR watches on the wrists of US Navy divers. Complete with fixed strap bars, atitanium case, a high performance Manufacture Caliber and a unidirectional elapsed time rotating bezel, it comes as the ultimate modern Mil sub. As early as the mid 50s, TUDOR diving watches were being tested and evaluated by a number of outfits inside theUS Navy, and by 1958 they were officially adopted by the Navy and