The TAG Heuer Aquaracer is made to endure any conditions, just like this 45mm Superdiver. Rated to an incredible 1000M of water resistance, this ISO 6425:2018 certified titanium watch is built for saturation diving and ultimate reliability. The 45mm grade 5 titanium case of the TAG Heuer Aquaracer Professional 1000 Superdiver has a crown protector and helium escape valve to handle 1000M of depth.