3017. 3017Y Audemars Piguet. A fine and rare 18K rose gold automatic calendar flyback chronograph wristwatch Audemars Piguet. Beau et rare chronographe bracelet en or rose 18K (750) avec date et fonction flyback mouvement automatique Model: Royal Oak Reference: 26240OR Movement: 40-jewel Cal.4401 automatic, No.BK9804 Dial: Grande tapisserie black grid, applied gilt baton hour markers with luminous inserts, white outer 1/5th second divisions, date aperture between 4 and 5, sunken engine turned subsidiary dials at 3, 6 and 9 for running seconds, 30 minute and 12 hour recording, gilt polished baton hands with luminous inserts, centre chronograph hand Case: Brushed and polished octagonal form, exhibition back secured by 8 screws, 8 screws to bezel, screw down crown, No.CT0921M Strap/Bracelet: Audemars Piguet black rubber strap Buckle/Clasp: Signed 18K rose gold double folding clasp Signed: Case, dial & movement Size: 42mm Weight: 167,59g Accompaniments: Audemars Piguet box, outer card, International Guarantee card, Instructions manual, International sales warranty booklet, spare Audemars Piguet black alligator leather strap