Vintage Girard Perregaux GP Olimpico 3 Reg Chronograph Cal 27 Steel Watch 9238, The black and white panda dial with matching hands, 3 sub dials, is signed Girard perregaux Olimpico Swiss The GP Calibre 27-0 which is based on the Valjoux 726 movement is working well and was just serviced by us. The steel case measures 42mm across x 45.5mm lug to lug with screw back is fully signed and is complete with original steel bracelet that will fit a wrist of 180mm or less. According to Girard-Perregaux records, in 1976 this watch was produced in 1000 pieces. All in stainless steel, black or white dial. No records how many of each dial version exists.