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f,Audemars Piguet Royal Oak Rectangular “Jumbo” – Ref. 6005BA – 18k Yellow Gold – Quartz — Box – 1981 – Excellent Condition – Rare Find

We are delighted to present this exceptionally rare Audemars Piguet Royal Oak Rectangular “Jumbo” Ref. 6005BA, a remarkable and seldom-seen interpretation of the legendary Royal Oak design from the early 1980s.

Produced during a highly creative period for Audemars Piguet, this reference reflects the maison’s willingness to expand the Royal Oak concept beyond conventional forms while preserving the unmistakable design language established by the iconic Gérald Genta. Far rarer than traditional Royal Oak models, the rectangular “Jumbo” stands today as a true collector’s piece with significant historical charm.

Manufactured entirely in solid 18k yellow gold, the watch features a beautifully integrated case and bracelet construction, emphasizing the sculptural lines and refined finishing that define the Royal Oak family. The rectangular case, a wonderfull spin-of offers a distinctive and elegant wrist presence, combining geometric sharpness with the luxurious warmth of yellow gold.

The dial retains the sophisticated minimalist aesthetic associated with vintage Audemars Piguet creations, featuring refined proportions, elegant hands, and subtle detailing that perfectly complement the architectural character of the case design. The overall appearance captures the bold experimentation of late 1970s and early 1980s haute horlogerie.

Inside beats a finely crafted Swiss AP quartz movement.

Vintage, well kept Royal Oak references from this era—particularly unusual and unconventional models such as the Ref. 6005BA—have become increasingly desirable among serious collectors due to their rarity, originality, and historical importance within the evolution of the Royal Oak lineage.

This excellent example from 1981 is offered with:

- Original octagonal leather Audemars Piguet presentation box

- 18k yellow gold rectangular case and integrated bracelet

- Elegant vintage Royal Oak dial configuration

- Quartz AP movement

- Excellent overall condition

- Rare and highly collectible reference

"The Royal Oak Rectangular Ref. 6005BA represents a fascinating chapter in Audemars Piguet history—where daring design met uncompromising craftsmanship. Rarely encountered on the market, it stands as an extraordinary collector’s piece for enthusiasts seeking a truly cool 1980s expression of the Royal Oak legacy."