Audemars Piguet Royal Oak 50th Anniversary Black Dial Steel Chrono 41mm Watch 26240ST
The watch is in very good condition, it has some light signs of wear, has a minor mark on the bezel in between 4 and 5 o'clock  (see photos), and is in its original unpolished condition, it can be polished to look like new upon request
Comes complete with the original box, papers, instruction booklets, and Certificate of Origin

Specific Details
Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Audemars Piguet Calibre 4401 Automatic movement, containing 40 Jewels, composed of 367 parts, bitting at 28800 vph, and has a power reserve of approximately 70 hours. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 41 mm, case thickness: 12.4 mm. Fold over clasp with a safety release. Water resistant at 50 meters / 165 feet.