Challenger Deep in the Mariana Trench of the Pacific Ocean is probably the de facto location for watch companies to test their flagship saturation dive watches and then, hopefully, lay claim to the record of “deepest diving watch.” Rolex held that title for 59 years since 1960 with their Deepsea Special, which reached a depth of 10,916m. They sent another watch down in 2012 called the Sea-Dweller Deepsea Challenge, a 51mm by 28.5mm monster, with a 14.33mm thick sapphire crystal, that managed to reach 10,898m. Then in 2019, out of nowhere, Omega smashed the deepest diving record with three prototypes of the Seamaster Planet Ocean Ultra Deep Professional, which recorded a depth of 10,935m (the original recorded depth of 10,925m was updated in 2020). Incidentally, one of the prototypes had to be left on the ocean floor due to a technical issue, but it was retrieved two and a half days later, having lost only one second of time. This is a record that unequivocally cannot be broken. And now, you can buy one.
There were hopes back in 2019, when Omega
