The Audemars Piguet Code 11.59 Grande Sonnerie Carillon Supersonnerie "150ᵀᴴ Anniversary" 41mm (ref. 26397BC.OO.D357CR.01) is a manual sport watch, with a 41mm 18-carat white gold case, powered by the 2956 movement and a 48-hour power reserve. Water resistance is rated to 20m, under a sapphire crystal.