Blancpain Fifty Fathoms ref: 5015-12B30-NABA features a robust 45mm titanium case, offering a lightweight yet durable option for enthusiasts. The striking blue dial is complemented by an automatic winding mechanism, powered by the Blancpain caliber 1315. Introduced in 2007, this model includes a date function, enhancing its practicality. The watch's design and functionality reflect Blancpain's commitment to precision and innovation.