Blancpain Fifty Fathoms 5010-12B30-NABA

The reference 5010-12B30-NABA represents the Bathyscaphe within Blancpain's Fifty Fathoms series, distinguished by its titanium construction and NATO strap configuration. This particular reference combines the diving functionality of the Bathyscaphe line with lightweight titanium case materials. The 42mm titanium case houses the automatic caliber 1315 movement, providing a 120-hour power reserve. The watch features a black dial paired with a unidirectional ceramic diving bezel and sapphire crystal protection. Water resistance extends to 300 meters, supporting the watch's diving instrument designation. The NATO strap offers a sport-oriented wearing option distinct from bracelet variants. Produced from 2018 to present, this reference appeals to collectors seeking a contemporary diving watch with extended power reserve capabilities. The titanium case material provides weight reduction compared to steel alternatives, while the NATO strap configuration offers versatility for active wear. The combination of materials and specifications positions this reference within the modern sports watch category of the Blancpain lineup.