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Audemars Piguet 18k Automatic Black Diamond 1970s

€12.900
Only 1 available

Free insured express delivery worldwide

Trusted by 2,000+ collectors worldwide

GOLDAMMER authenticity guarantee

1-year mechanical warranty

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Black Diamond Elegance — Audemars Piguet in 18k White Gold

This rare Audemars Piguet from the late 1970s is an exercise in quiet opulence. Crafted entirely in 18k white gold, its unique octagonal-elliptical case houses a flawless black dial punctuated by twelve factory-set diamond hour markers — understated luxury at its finest.

The ultra-thin Calibre 2121/1, one of Swiss watchmaking’s most revered automatic movements, lies within a case just 6 mm thick. The integrated white gold bracelet flows effortlessly around the wrist, offering comfort that matches its architectural refinement.

Extremely rare in this configuration — and preserved in outstanding condition — this Audemars Piguet is more than a timepiece: it’s a wearable sculpture of modernist craftsmanship and enduring elegance.

- wrist size in our picture is 18cm circumference -

DIAL:

  • original never touched black dial in flawless condition
  • 12 factory diamonds as hour markers
  • original hands & crown
  • tiny scratch on crystal next to the center

BRACELET & CLASP:

  • 18k white gold AP bracelet is fitting up to a 19.5 cm and is slightly adjustable at the clasp (around 0.5 cm) / 2 mm thick
  • 18k white gold AP clasp 

CASE:

  • excellent overall condition, showing almost no traces of use
  • 3- body 18k white gold case with snap-on case back from casemaker Adea Fontan Sàrl
  • 31.5 mm (without crown) / 31.5 mm (lug-to-lug) / 20 mm (between lugs) / 6 mm thick
  • year: 1977-1979
  • total weight: 95 g

MOVEMENT:

  • Audemars Piguet Cal. K 2121/1 - automatic
  • 36 jewels, 21600 A/h, 40 hours power reserve
  • professionally serviced 08/2025
  • +11 sec/d / 310°

BOX & PAPERS:

  • GOLDAMMER certificate of authenticity & service documentation card
  • GOLDAMMER box

GOLDAMMER REFERENCE: #1065

Audemars Piguet

In the Vallée de Joux — cradle of Swiss high horology — two young watchmakers joined forces in 1875. Their names were Jules-Louis Audemars and Edward-Auguste Piguet. From that moment on, Audemars Piguet has remained fiercely independent, family-owned, and uncompromising in its vision of what fine watchmaking should be.

Among the elite houses of horology, AP is the rebel artist. Innovative, daring, and forever rewriting the rules of design and engineering. In the 20th century, they were the first to create minute repeaters in wristwatch form. But it was in 1972 that Audemars Piguet changed watchmaking forever — with the birth of the Royal Oak.

A steel sports watch. With visible screws. An octagonal bezel. And a level of finishing usually reserved for gold. It was radical. Audacious. And in time, it became iconic.

Today, vintage watch collectors consider early Royal Oak references among the most desirable timepieces in the world. But the brand’s legacy runs deeper than one model. AP has always walked the fine line between artistry and technical prowess — whether through skeletonized perpetual calendars, ultra-thin tourbillons, or experimental case materials that push what a vintage watch can be.

To wear an Audemars Piguet is to wear confidence. It is for the collector who appreciates the avant-garde but demands heritage. Someone who seeks boldness, but never at the cost of substance. Someone who chooses a vintage watch not because it follows the rules — but because it rewrites them.

Audemars Piguet doesn’t just make watches. It creates icons that break molds — and then hand-finishes them to perfection.

Because tradition isn’t meant to be preserved under glass. It’s meant to evolve — beautifully, fearlessly, and with purpose.

Inquiries & Bank Wire

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