Look, I know that reference numbers and such can be confusing, but “No.1” should be pretty clear, no? In a sale taking place on November 8th, 2021 in Geneva, Christie’s is offering the first example of the Deep Sea Special and it’s a watch that accompanied the Trieste on the 1,080- and 3,150-meter dives in 1953. Like, the actual watch. Following the deepest dive of 1953, Piccard is known to have telegraphed Rolex in Geneva link to report “Watch performed perfectly. Depth 3150 meters Piccard.”