Bremont watch supermarine s301 a true divers instrument this bremont supermarine s301 watch was designed by bremont founders nick and giles english to be an amphibious watch they wanted to create a timepiece that not only linked back to their aviation roots but was also a beautiful and effective piece of diving equipment the exquisite manufacturing of this bremont watch means that it has an impressive water resistance of 300 metres this bremont supermarine s301 watch continues to impres