Patek Philippe Reference 3424 (1962)

Case is 39mm length x 27mm width, 18k yellow gold, snap on case back. Dial is silvered. Movement is mechanical, cal. 8”85, 18 jewels, numbered 857’580. With: black Patek Philippe alligator strap and 18k yellow gold buckle. Remark: Designed by Gilbert Albert, case numbered 2’622’908, circa 1962. Estimate HKD 500,000 – HKD 1,000,000. Sold for HKD 2,816,000 at Sothebys Auction April 2026 Hong Kong