Having been the home of Swiss haute horology for over two centuries, there's no mystery behind the mechanics of a Girard Perregaux timepiece, only precision and expertise. Named after the year in which it introduced the world's first high frequency movement, the 1966 collection celebrates a commitment to innovation. Combining a stainless steel case and strap with a complex Calibre GP03300 0030 automatic movement, this watch truly epitomises the brand's excellence. See its intricacies for yourself through the skeleton case back.Girard Perregaux stainless steel watchStyle no: 49555 11 131 11ADeployment fasteningRound face, stainless steel case, stainless steel strap, date subdial, Calibre GP03300 0030 automatic movement with up to 46 hours power reserve, scratch resistant sapphire crystal, exhibition case backCase diameter 40mmWater resistant to 30mMade in Switzerland