An Oversized Stainless Steel and Gold Automatic Bracelet Watch with Date, Patek Philippe & Co., Genève, 'Nautilus' model, Movement No. 1307810, Case No. 2808791, Ref. 3700/11, Circa 1985

18k, circular nickel lever movement, 36 jewels, gyromax balance, free sprung regulator, 18k gold rim to the rotor, gilt ribbed dial, gold baton indexes with luminescent accents, aperture for date, gold baton hands with luminescent accents, oversized cushion water-resistant-type case with gold bezel and steel back, gold screw-down crown, case, dial and movement signed, integrated steel and 18k gold Patek Philippe bracelet and deployant clasp.

This model, the Nautilus Ref. 3700, was first launched in 1976. It has become one of the most significant sports model watches that Patek Philippe  ever produced. The present lot is what is known as the 'Jumbo' model, and is the largest of the Nautilus series.