Meet the new TUDOR Black Bay 58 18K, featuring a 39mm gold case, solid gold 3-link bracelet, "golden green" dial and bezel and a COSC-certified Manufacture Calibre with a five-year guarantee. The Black Bay 58 is named after the first-ever TUDOR dive watch waterproof to 200m, the reference 7924, released in 1958. Known as the "Big Crown" among collectors, the design of the Black Bay 58 makes aesthetic references to this historic model.