2022 Full set, Fifty Fathoms series, model: 5066F-1140-52B, folding buckle, classic Fifty Fathoms full calendar moon phase flyback chronograph complex function mechanical watch, 45mm most beautiful blue dial, luminous hour markers, three-sub-dial chronograph function, smiling moon phase display, blue ceramic unidirectional rotating chronograph bezel, satin brushed stainless steel, equipped with self-produced 66BF8 automatic winding movement with transparent back The folding buckle is more comfortable to wear and is 300 meters water-resistant!