Audemars Piguet 18k Y/G Perpetual Calendar Moonphase Ref. BA 5548

18k Yellow Gold Perpetual Calendar Moonphase, cream dial with index batons, original brown croc strap with an 18k yellow gold deployant clasp, circular case with raised bezel, automatic movement, from early 1980\'s. 3 subsidiary dials indicating month, day and date, aperture for phases of the moon combined with lunar calendar. In excellent condition, comes with an original box, 18k gold pusher, instruction booklet, hanging tagand undated papers (originally sold by Asprey & Coin London).