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, 'DARK BLUE' DIAL AND BRACELET SIGNED AUDEMARS PIGUET, ROYAL OAK QUANTIEME PERPETUEL MODEL, REF. 25820ST, CASE NO. F08452, NO. 0502, CIRCA 2005 Movement: Automatic Dial: Dark blue, Tapisserie Case: 39 mm. wide With: Stainless steel Audemars Piguet bracelet and deployant clasp, overall length approximately 190 mm., undated Warranty and Authentication Certificate, product literature, presentation box and outer packaging Remark: Approx. 628 examples made in steel