London Import mark for 1927 — Vacheron & Constantin. An 18K gold manual wind tortue form wristwatch

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Estimate: £800–£1,200 hammer ≈ $1,024–$1,536
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 22 September 2020
Record ID: TB-2026-710692
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-710692 — https://thebasis.art/cite/TB-2026-710692

Vacheron & Constantin. An 18k Gold Manual Wind Square Form Wristwatch, London Import mark for 1927. Bonhams, 22 Sep 2020, lot 39. result recorded. TheBasis.Art, TB-2026-710692.

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Vacheron & Constantin. An 18k Gold Manual Wind Square Form Wristwatch, London Import mark for 1927. Bonhams, 22 Sep 2020, lot 39. result recorded. TheBasis.Art, TB-2026-710692.

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From the same sale Watches and Wristwatches · Sep 2020

Lot	Artist	Estimate
Santos, Ref: 1565, Circa 2000	Cartier. A Lady's Stainless Steel And Gold Quartz Bracelet Watch	£1,600–£2,200
Circa 1780	A Gilt Metal Key Wind Open Face Pocket Watch With Enamel Scene To Reverse	£1,500–£2,000
Circa 1790	A Continental Gold And Polychrome Enamel Key Wind Concealed Ball Form Watch	£1,500–£2,500
Circa 1830	A Continental Gold And Enamel Key Wind Full Hunter Jump Hour Pocket Watch	£800–£1,200
Circa 1830	Charles, 272 Rue St Honoré, À Paris. A Small Continental Gold Key Wind Open Face Pocket Watch	£600–£800
Circa 1920	A 9k Gold Keyless Wind Open Face Pocket Watch	£500–£700

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Vacheron & Constantin. An 18k Gold Manual Wind Square Form Wristwatch	Ref: 7813, Circa 1980	$1,155	Bonhams, Nov 2019
Rolex. A Stainless Steel Automatic Bracelet Watch	Seamaster, Ref: 2846-1 SC, Circa 1955		Bonhams, Nov 2024
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Ref: 7050, Purchased 22nd January 2005		Bonhams, May 2023
Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	Speedmaster Mark II, Ref: 145.014, Circa 1970		Bonhams, Oct 2025
Rolex. A Stainless Steel Automatic Bracelet Watch	Oyster Perpetual 'Bubbleback', Ref: 2940, c.1940s		Bonhams, Jun 2023
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Ref: 166.0209, Circa 1978		Bonhams, Jan 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Sub 300T Sharkhunter, Circa 1970		Bonhams, Feb 2024
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Date, Ref: 6917, Circa 1974		Bonhams, May 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.