Vacheron & Constantin. An 18K gold automatic wristwatch Vacheron & Constantin. Montre bracelet en or jaune 18K (750) mouvement automatique Ref: 63780, Circa 1965 — Vacheron & Constantin. An 18K gold automatic wristwatch Vacheron & Constantin. Montre bracelet en or jaune 18K (750) mouvement automatique Ref: 63780, Circa 1965

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Estimate: €3,800–€4,800 hammer ≈ $4,015–$5,071
Result
Performance
Sale: Bonhams — Fine Watches and Chronographs, Paris, Avenue Hoche · 18 October 2023
Record ID: TB-2026-457651
Record: first seen 20 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-457651 — https://thebasis.art/cite/TB-2026-457651

Vacheron & Constantin. An 18k Gold Automatic Wristwatch Vacheron & Constantin. Montre Bracelet En Or Jaune 18k, Vacheron & Constantin. An 18K gold automatic wristwatch Vacheron & Constantin. Montre bracelet en or jaune 18K (750) mouvement automatique Ref: 63780, Circa 1965. Bonhams, 18 Oct 2023, lot 16. bought in (did not sell). TheBasis.Art, TB-2026-457651.

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Vacheron & Constantin. An 18k Gold Automatic Wristwatch Vacheron & Constantin. Montre Bracelet En Or Jaune 18k, Vacheron & Constantin. An 18K gold automatic wristwatch Vacheron & Constantin. Montre bracelet en or jaune 18K (750) mouvement automatique Ref: 63780, Circa 1965. Bonhams, 18 Oct 2023, lot 16. bought in (did not sell). TheBasis.Art, TB-2026-457651.

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From the same sale Fine Watches and Chronographs · Oct 2023

Lot	Artist	Estimate
International Watch Company. A fine 18K gold keyless wind open face a…	International Watch Company. A Fine 18k White Gold Open Face Keyless Wind Pocket Watch International Watch Company. Belle Montre De Gousset À Cadran Ouvert En Or Blanc 18k	€2,500–€3,000
E.M. Ruegger. An 18K gold and enamelled key wind full hunter pocket w…	E.m. Ruegger. An 18k Gold And Enamelled Key Wind Full Hunter Pocket Watch Produced For The Middle East Market E.m. Ruegger. Montre De Gousset À Clapet À Décors Émaillés En Or Jaune 18k	€1,500–€2,000
Retailed by Tiffany & Co. An 18K gold manual wind single button chron…	Retailed By Tiffany & Co. An 18k Gold Manual Wind Single Button Chronograph Wristwatch Distribué Par Tiffany & Co. Chronographe Bracelet Mono-poussoir En Or Jaune 18k	€3,000–€4,000
Universal Watch Extra. An 18K gold manual wind single button chronogr…	Universal Watch. An 18k Gold Manual Wind Single Pusher Chronograph Wristwatch Universal Watch. Chronographe Bracelet Mono-poussoir En Or Jaune 18k	€3,500–€5,500
Guinand. An 18K gold manual wind triple calendar chronograph wristwat…	Guinand. An 18k Gold Manual Wind Triple Calendar Chronograph Wristwatch With Moon Phase Guinand. Chronographe Bracelet En Or Jaune 18k	€4,000–€6,000
Universal Genève. A fine 18K rose gold manual wind chronograph bracel…	Universal Genève. A Fine 18k Rose Gold Manual Wind Chronograph Bracelet Watch Universal Genève. Beau Chronographe Bracelet En Or Rose 18k	€12,000–€15,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Vacheron & Constantin. An 18k Gold Automatic Wristwatch Vacheron & Constantin. Montre Bracelet En Or Jaune 18k	Vacheron & Constantin. An 18K gold automatic wristwatch Vach	$5,241	Bonhams, Feb 2024
Vacheron & Constantin. An 18k Gold Automatic Wristwatch Vacheron & Constantin. Montre Bracelet En Or Jaune 18k	Vacheron & Constantin. An 18K gold automatic wristwatch Vach		Bonhams, Feb 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 178240, Purchased 28th June 2011		Bonhams, Nov 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Oyster Perpetual Date, Ref: 15210, Circa 1991		Bonhams, Feb 2023
Jaeger-lecoultre. A Stainless Steel Automatic Calendar Wristwatch With Alarm	Master Compressor Memovox, Ref: 146.8.97, Purchased 21st Jun		Bonhams, Sep 2024
Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	Speedmaster Professional, Ref: 105.012-66, Circa 1967		Bonhams, May 2026
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Date, Ref: 15200, Circa 2004		Bonhams, Nov 2024
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Luminor Marina, Ref: PAM00312, Purchased 2nd November, 2006		Bonhams, Nov 2022

The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.