AUDEMARS PIGUET Vintage Royal Oak "Tropical Dial", Ref. 5402ST. Wrist watch. Stainless steel, dial slightly discolored due to environmental influences, beautiful vintage optic. Automatic-movement, calibre 2121. Serial no. D-1209. Very good condition, light signs of wear on case and band. Fully serviced by Audemars Piguet 03/2022. Restoration of the movement with "Classic Parts", gaskets replaced, best possible refurbishment and case screws replaced. Proof of service from Juwelier Wempe enclosed. Audemars Piguet certificate of authenticity enclosed, 02/2022. First sale 09/1981. Diameter ca. 39mm (measured without crown).