Blancpain Fifty Fathoms ref: 5015-12B40-NAOA, introduced in 2014, features a robust 45mm stainless steel case. Its striking blue dial is complemented by an automatic winding mechanism, powered by the Blancpain caliber 1315. This model includes a date function, seamlessly integrated into its design. The Fifty Fathoms series is known for its durability and precision, and this particular reference upholds that reputation with its reliable movement and substantial presence.