25589BA, Day-Date Moonphase, Yellow Gold
A ref. 25589BA Day-Date Moonphase, with earlier ‘block font’ signature. An ultra-thin 33.5mm automatic with a white enamel dial and blued steel day and date hands. One of the most discreetly designed watches of Audemars Piguet’s 80s era, it’s a Day-Date focused on sheer elegance.