Full set of Blancpain Fifty Fathoms series model: 5015-12B30-B52A, automatic mechanical, not available, case diameter: 45mm ◦ 45mm titanium matte case, lightweight, scratch-resistant and wear-resistant, less likely to cause metal allergy. The unidirectional rotating black ceramic diving bezel has hour markers filled with luminous coating, ensuring clear time reading underwater. The luminous triangle logo at 12 o 'clock is a signature design of Fifty Fathoms. The black radiating dial features large Arabic numeral hour markers and a large area of luminous coating. A single date window at the 3 o 'clock position, and the crown is equipped with a screw-down anti-slip lock to ensure water resistance. It is equipped with a black composite fabric strap, which is wear-resistant and resistant to seawater corrosion, making it suitable for diving and outdoor scenarios. 2. Series Logo: The dial is printed with the words "Fifty Fathoms", representing the classic Fifty Fathoms diving family, with a marked water resistance depth of 300m.