AUDEMARS PIGUET ROYAL OAK JUMBO STEEL
Audemars Piguet, Royal Oak Jumbo, Automatic, case No. B 1941,
Ref. 5402 ST. Made in the 1980s.
Very fine and rare, octagonal, self-winding, water-resistant, stainless
steel wristwatch with date and a stainless steel Audemars Piguet
link bracelet with deployant clasp.
Two-body, polished and brushed, octagonal bezel set with 8
hexagonal nuts embanked in 8 screws on the case back, angled
lugs, screwed-down winding crown, sapphire crystal.
Black, clous de Paris decoration, applied luminous steel baton
indexes, aperture for the date at 3. 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.