Blancpain Fifty Fathoms ref: 5054-3640-O52B is a 2022 release that showcases a 43mm rose gold case. The watch features a striking blue dial, complemented by automatic winding movement 6654.P.4. It offers a comprehensive display of date, week, and month, alongside a moonphase complication. This model seamlessly integrates these functions, providing a complete calendar experience. The combination of its materials and features makes it a noteworthy addition to any collection, balancing aesthetic appeal with practical utility.