Patek Philippe Genève, "Nautilus", Ref. 3800/003, Cal. 335SC automatic, 37 x 39 mm, circa 1989. Automatic wristwatch "Nautilus" with centre seconds, date, brilliant-cut diamond bezel and indexes. With original box, original certificate. 18k gold case, 18k gold Patek Philippe bracelet with deployant clasp.

With the rounded octagonal shape of its bezel, the ingenious porthole construction of its case, and its horizontally embossed dial, the Nautilus has epitomized the elegant sports watch since 1976.