Breitling Watch Superocean Chronograph M2000 A73310A8/BB72/233X. Breitling has created a champion of abyssal depths, equipped with an exclusive magnetic pushpiece system. Within this patented system, the chronograph controls are operated via the metal of the case. This means that the Superocean Chronograph M2000 is the first chronograph to be water resistant and fully operational to the fabulous depth of 2000m without any risk of water seeping in.