Circa 1930 — Vacheron Constantin. An 18K gold manual wind tortue form wristwatch retailed by Birks

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Estimate: £2,000–£3,000 hammer ≈ $2,607–$3,910
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 18 February 2020
Record ID: TB-2026-711167
Record: first seen 21 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-711167 — https://thebasis.art/cite/TB-2026-711167

Vacheron Constantin. An 18k Gold Manual Wind Tortue Form Wristwatch Retailed By Birks, Circa 1930. Bonhams, 18 Feb 2020, lot 123. bought in (did not sell). TheBasis.Art, TB-2026-711167.

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Vacheron Constantin. An 18k Gold Manual Wind Tortue Form Wristwatch Retailed By Birks, Circa 1930. Bonhams, 18 Feb 2020, lot 123. bought in (did not sell). TheBasis.Art, TB-2026-711167.

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From the same sale Watches and Wristwatches · Feb 2020

Lot	Artist	Estimate
Circa 1830	A Silver Key Wind Quarter Repeating Open Face Pocket Watch	£500–£700
Circa 1900	An 18k Gold Keyless Wind Full Hunter Pocket Watch For The Turkish Market	£800–£1,200
Circa 1910	International Watch Company. A 14k Gold Keyless Wind Full Hunter Pocket Watch	£1,800–£2,200
Circa 1912	Vacheron & Constantin. A 14k Gold Keyless Wind Open Face Pocket Watch	£600–£800
Ref: 6345, Circa 1970	Vacheron & Constantin. A 14k Gold Keyless Wind Open Face Pocket Watch	£1,000–£1,500
Circa 1980	Vacheron & Constantin. A 14k Gold Keyless Wind Open Face Pocket Watch	£4,000–£6,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Rolex. A Stainless Steel Automatic Bracelet Watch	Air-King, Ref: 1002, c. 1976	$3,328	Bonhams, Sep 2024
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Cartier. Montre bracelet en acier avec date mouvement automa		Bonhams, Jun 2026
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Cartier. Montre bracelet en acier avec date mouvement automa		Bonhams, Oct 2025
Rolex. A Stainless Steel Manual Wind Wristwatch	Panerai. Montre bracelet en acier mouvement mécanique Lumin		Bonhams, Feb 2024
Citizen. A Stainless Steel Automatic Calendar Chronograph Wristwatch	Aquatimer, Ref: 3719, Purchased 16th July 2007		Bonhams, Nov 2025
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Portofino, Ref: 3563, Purchased 19th February 2011		Bonhams, Sep 2025
Rolex. A Stainless Steel Automatic Bracelet Watch	Air-King, Ref: 114200, Purchased 2nd October 2010		Bonhams, May 2023
Rolex. A Stainless Steel Manual Wind Wristwatch	Computer 1946, c. 1940s		Bonhams, Mar 2024

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.