This Girard-Perregaux High Frequency is dated to the 70s. It has the cal. 30.7 movement in it, based on the manual wind calibre AS 1687/1688 – professionally serviced – cleaned and oiled and ticking strong. It is a very interesting high beat movement ticking at 36000 A/h – the first high frequency GP ever used. The watch is in mint condition – the gold plating is in superb condition, minimal visible scratches, no deep marks. The dial is in amazing condition as well – really nice pattern, yellow gold color. Everything on the watch is original – branded crown, branded movement, branded caseback, perfect acrylic crystal. The caseback is engraved A. CARRIERE, 25 ANS, PRATT & WHITNEY, AIRCRAFT, DU CANADA LTEE, 1981. Comes on a brown Leather strap and a limited warranty of 6 months, starting on the date of purchase.