Audemars Piguet Royal oak Offshore Ref 26400RO.Oo.A002CA.01 an 18ct pink gold and ceramic chronograph wrist watch with date circa 2014. Dial: black hobnail dial, luminescent baton indexes and hands, three subsidiary dials for constant seconds, 30 minutes and 12 hours registers, date aperture at 3 calibre: cal. 3126/3840 automatic winding, 59 jewels. Movement number: 897157. Case: heavy 18ct pink gold case, ceramic octagonal bezel, black ceramic chronograph buttons to the band, screw-down crown, glazed display back secured by 8 screws. Case number: I05768-2034. Closure: Audemars Piguet rubber strap and 18ct pink gold buckle. Dimensions: 44 mm diameter. Signed: case, dial and movement. Accessories: Audemars Piguet warranty, authentication and register certificate booklet dated 21 March 2014, operating instructions manual, quick user guide and presentation box