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Photo of a Vacheron Constantin 39203 Square Black Diamond from the 1970s on a wrist. In Yellow Gold, 33.5mm case, Manual wind movement, Black dial, Diamond hour markers and Gold bracelet.
Closeup Photo of a Vacheron Constantin 39203 Square Black Diamond from the 1970s. In Yellow Gold, 33.5mm case, Manual wind movement, Black dial, Diamond hour markers and Gold bracelet.
Photo of a Vacheron Constantin 39203 Square Black Diamond from the 1970s on a wrist. In Yellow Gold, 33.5mm case, Manual wind movement, Black dial, Diamond hour markers and Gold bracelet.
Video of a Vacheron Constantin 39203 Square Black Diamond from the 1970s on a wrist. In Yellow Gold, 33.5mm case, Manual wind movement, Black dial, Diamond hour markers and Gold bracelet.
Closeup Photo of a Vacheron Constantin 39203 Square Black Diamond from the 1970s. In Yellow Gold, 33.5mm case, Manual wind movement, Black dial, Diamond hour markers and Gold bracelet.

Vacheron Constantin 39203 Square Black Diamond 1970s

€13.900

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Here we have one of the rarest and the most interesting piece from Vacheron Constantin we have ever seen. 

The integrated 18k yellow gold braided bracelet withe the matching case design and black dial with diamond setting makes this Vacheron Constantin so unique. The dial is equipped with the Maltese cross logo, fine VC lettering and 12 factory diamond hour markers.

- wrist size in our picture is 18 cm circumference -

DIAL:

  • original never touched black dial in flawless condition
  • original hands & crown
  • 12 factory diamond hour markers

BRACELET & CLASP:

  • original Vacheron Constantin integrated 18k yellow gold bracelet fitting up to 19 cm wrist size (not adjustable) / 2 mm thick
  • for bracelet adjustments a goldsmith is needed
  • original Vacheron Constantin 18k yellow gold clasp

CASE:

  • great overall condition, showing almost no traces of use
  • 3- body 18k yellow gold case with screw-down case back
  • 33.5 mm (without crown) / 30.5 mm (lug-to-lug) / 18 mm (between lugs) / 5.5 mm thick
  • year: 1970s
  • reference: 39203
  • total weight: 97 g

MOVEMENT:

  • Vacheron Constantin Cal. 1015 - manual wound
  • 20 jewels, 21600 A/h, 42 hours power reserve
  • professionally serviced 03/2025
  • +3 sec/d / 300°

BOX & PAPERS:

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

GOLDAMMER REFERENCE: #868

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Vacheron Constantin 39203 Square Black Diamond 1970s

€13.900

Discover our available watches

SHOW ALL
Photo of a Vintage Patek Philippe Ellipse 3605 Jumbo from 1978 on a wrist. 33mm in 18k Yellow Gold with Automatic Cal. 28-255 C, Gilt Sigma Dial and Integrated Gold Bracelet.
 
Photo of a Vintage Patek Philippe Ellipse 3605 Jumbo from 1978 on a wrist. 33mm in 18k Yellow Gold with Automatic Cal. 28-255 C, Gilt Sigma Dial and Integrated Gold Bracelet.

Patek Philippe Ellipse 3605 Jumbo 1978

€27.900
 

Cartier Santos 2965 Octagon 18k Ferrite 1980s

€17.900
Photo of a Piaget 791 Polo from the 1980s on a wrist. 30mm case, 18k Yellow Gold, Gold Dial, Integrated 18k Gold Bracelet and Quartz Movement.
 
Photo of a Piaget 791 Polo from the 1980s on a wrist. 30mm case, 18k Yellow Gold, Gold Dial, Integrated 18k Gold Bracelet and Quartz Movement.

Piaget 791 Polo 1980s

€13.900
Photo of a Vintage Cartier Tonneau 18k Guilloché Paris from the 1980s on a wrist. 39mm with 18k Yellow Gold Case, Manual-winding movement, Original Guilloché Paris dial and black Leather Strap.
 
Photo of a Vintage Cartier Tonneau 18k Guilloché Paris from the 1980s on a wrist. 39mm with 18k Yellow Gold Case, Manual-winding movement, Original Guilloché Paris dial and black Leather Strap.

Cartier Tonneau 18k Guilloché Paris 1980s

€7.900
Classic wristwatch worn above vintage watches on table.

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The GOLDAMMER Experience

Authenticity Guarantee

All GOLDAMMER watches are guaranteed authentic by our trusted watchmakers and ourselves. Certificate included!

Professional Servicing

All watches at GOLDAMMER are professionally serviced by our trusted watchmakers and are guaranteed to be in perfect condition.

Comprehensive Warranty

Our watches are covered by a one-year mechanical warranty. If anything goes wrong, please let us know immediately.

Watchmaker Inspected

We know you'll love your watch. If you don't, you can return it to GOLDAMMER within 14 days, no questions asked.

Worldwide Express Shipping

We ship worldwide and insure your package via DHL Express and FedEx, free of charge. The buyer pays import taxes outside the EU.

Preserving Excellence

As most of our watches are around half a century old, they need to be treated with extra love and care and serviced every 4-5 years.

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Explore our FAQ page for thoughtfully curated answers to guide your experience.