Audemars Piguet Royal Oak Perpetual Calendar 25820ST

AUDEMARS PIGUET. A RARE AND ATTRACTIVE STAINLESS STEEL AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH MOON PHASES, LEAP YEAR INDICATION AND BRACELET ROYAL OAK, REF. 25820ST, CASE NO. D80555 AND 029, SOLD IN 1998 Movement: Automatic Dial: Silvered Case: 39 mm. With: Stainless steel Audemars Piguet bracelet, approximate wrist size 175 mm., undated Audemars Piguet Certificat d’Origine, product literature, presentation box and outer packaging