The Deepsea Challenge
link was incompatible with many of the more automated elements in the Superlative Chronometer testing. Why? Because it's too thick, and the machines used to test the Deepsea to its entirely non-casual 3,900 meters
link of water resistance (that's 4,388 meters in actual testing) don't even come close to
link what Rolex required to test the record-setting Deepsea Challenge. Rolex had to rethink the entire process for a single reference.
