Important Modern & Vintage Timepieces

Hong Kong, Feb 22, 2014

LOT 197

AUDEMARS PIGUET ROYAL OAK JUMBO DIAMOND BEZEL AND CASE Audemars Piguet, "Royal Oak Jumbo, Automatic", No. 275, Ref. 5402BA. Made circa 1977. Fine and very rare, octagonal, self-winding, water- resistant, 18k yellow gold and diamond wristwatch with date and an 18k yellow gold and diamond (after market) Audemars Piguet diamond-set bracelet with deployant clasp.

Two-body, polished and brushed, octagonal bezel diamond-set with 8 hexagonal nuts embanked in 8 screws on the engraved case back, angled lugs, case and inter-links set with diamonds, sapphire crystal. Anthracite, clous de Paris decoration, applied luminous steel baton indexes, applied gold Audemars Piguet logo at 6, outer white minute divisions, aperture for the date. Luminous steel 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.