The Blancpain Fifty Fathoms 70th Anniversary Act 1 Series I (ref. 5010A-1130-NABA) is an automatic dive watch, with a 42.3mm steel case, 14.3mm thick, powered by the 1315 movement and a 120-hour power reserve. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $21,600.