Tank, London Hallmark for 1966 — Cartier. An 18K gold manual wind wristwatch from the London Workshops

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Estimate: £5,000–£7,000 hammer ≈ $6,762–$9,466
Result
Performance
Sale: Bonhams — London Watches, London, Knightsbridge · 25 February 2026
Record ID: TB-2026-042057
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-042057 — https://thebasis.art/cite/TB-2026-042057

Cartier. An 18k Gold Manual Wind Wristwatch From The London Workshops, Tank, London Hallmark for 1966. Bonhams, 25 Feb 2026, lot 57. result recorded. TheBasis.Art, TB-2026-042057.

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Cartier. An 18k Gold Manual Wind Wristwatch From The London Workshops, Tank, London Hallmark for 1966. Bonhams, 25 Feb 2026, lot 57. result recorded. TheBasis.Art, TB-2026-042057.

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From the same sale London Watches · Feb 2026

Lot	Artist	Estimate
Prince, Ref: 1527, Circa 1930	Rolex. A Two Colour 18k Gold Manual Wind Wristwatch	£4,000–£6,000
Prince Aerodynamic, Ref: 3361, Circa 1940	Rolex. A 9k Gold Manual Wind Drivers Watch	£7,000–£9,000
Depthomatic, Circa 1960	Nivada Grenchen. A Stainless Steel Automatic Calendar Wristwatch With Depth Gauge	£2,000–£3,000
Seamaster 600 'PloProf', Purchased 8th April 1974	Heuer. A Stainless Steel Automatic Calendar Wristwatch	£4,000–£6,000
Speedmaster Professional, Ref: 145022-69 ST, Circa 1971	Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	£3,000–£4,000
Constellation, Ref: 1685004, Birmingham Hallmark for 1963	Omega. An 18k Gold Automatic Calendar Bracelet Watch	£2,000–£3,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	Oyster Cosmograph Daytona, Ref: 6263 between the lugs, 6264	$51,605	Bonhams, Jun 2025
Cartier. An 18k Gold Manual Wind Wristwatch From The London Workshops	Tank Allongee, London Hallmark for 1967		Bonhams, Jun 2025
Rolex. A Stainless Steel Automatic Bracelet Watch	Oyster Perpetual, Ref: 124300, Purchased 16th April 2021		Bonhams, Apr 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Double Red Sea Dweller, Ref: 1665, Circa 1972		Bonhams, Jun 2021
Rolex. A Stainless Steel Automatic Bracelet Watch	Submariner Comex, No.6243, Ref: 16800, Circa 1987		Bonhams, Aug 2020
Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	Daytona "Small Red" , Ref: 6263, c. 1981		Bonhams, Dec 2024
Omega. A Stainless Steel Manual Wind Chronograph Bracelet Watch	Cosmograph Daytona, Ref: 6265, Purchased 3rd September 1979		Bonhams, Dec 2021
Omega. An 18k Gold Automatic Calendar Bracelet Watch	Oyster Perpetual Submariner, Ref: 116618, Purchased 27th Jul		Bonhams, Dec 2020

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.