Perrelet watch turbine pilot grand raid a10961 inspired by the world of aviation this perrelet pilot grand raid watch is another addition to the perrelet turbine collection since it was first launched in 2009 the perrelet turbine watch has been one of the brands most distinguishing designs which has now been developed into another completely unique and highflying collection the 48mm bold stainless steel and black pvd case of the perrelet turbine pilot grand raid watch houses the p 331