Patek Philippe. A Rare Stainless Steel and Gold Automatic Wristwatch with Date and Bracelet Signed Patek Philippe, Genève, retailed by Beyer, Nautilus model, ref. 3700/11AJ, movement no. 1'310'894, case no. 2'808'806, manufactured in 1983 Movement: cal. 28-255C, automatic, 36 jewels, signed Dial: signed by maker and retailer Case: two-part secured by four screws in the band, underside of the gold bezel numbered 806, hand-engraved Beyer serial number to the back of the lower left lug, 42 mm. wide, signed With: stainless steel and gold Patek Philippe bracelet with deployant clasp, overall approximate length 180 mm., Extract from the Archives confirming manufacture of the present watch with black matte ribbed dial, applied yellow gold indexes, tritium, bracelet in steel and gold in 1983 and its subsequent sale on 18 March 1985, original Beyer Chronometrie letter dated 8 May 2018 confirming that the present watch was sold by them.