Tudor M7941A1A0RU-0002 NEW 2024! Full set. Black dial. Rubber band . The Black Bay 31, 36, 39 and 41 models have a more formal appearance than the other models in the Black Bay line, with which they share a dial inspired by that of the diving watches produced by TUDOR in the 1950s. These contemporary watches boast some features that unite them with the first generation of TUDOR diving watches.