AUDEMARS PIGUET REF. 5402 ROYAL OAK JUMBO "A SERIES" STEEL AND YELLOW GOLD Audemars Piguet, "Royal Oak Jumbo, Automatic," No. 466, Ref. 5402. Made circa 1980. Very fine and rare, octagonal, self-winding, water-resistant, steel and yellow gold wristwatch with date and a steel and yellow gold Audemars Piguet link bracelet with deployant safety clasp. Three-body, polished and brushed, octagonal bezel set with 8 hexagonal nuts embanked in 8 screws on the case back, angled lugs with 4 screws to fix the bracelet, sapphire crystal. Anthracite, "tapestry" decoration, applied luminous pink gold baton indexes, applied Audemars Piguet logo at 6, aperture for the date. Luminous pink gold baton hands. Cal. 2121, rhodium-plated, fausses cotes decoration, 36 jewels, straight-line lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, 21K gold rotor. Notes Dial, case and movement signed. DIM. 39 x 47 mm. THICKNESS 8 mm. APPROX. overall length 170 mm.