Patek Philippe Ref.3700/1A, stainless steel cushion-form automatic wristwatch, with date and bracelet, made in 1979. Cal. 28-255C automatic lever movement, stamped with the Geneva seal, 36 jewels. Black ribbed dial, applied luminous white gold baton indexes and hands, aperture for date, stainless steel Nautilus case. Diameter 42 mm. Accompanied by the Extract from the Archives.