London Hallmark for 1886 — J.W. Benson, London. An 18K gold key wind open face pocket watch

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Estimate: £700–£900 hammer ≈ $885–$1,138
Result
Performance
Sale: Bonhams — Weekly: Watches, Online, London, Knightsbridge · 21 February 2025
Record ID: TB-2026-178648
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-178648 — https://thebasis.art/cite/TB-2026-178648

J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch, London Hallmark for 1886. Bonhams, 21 Feb 2025, lot 96. result recorded. TheBasis.Art, TB-2026-178648.

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J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch, London Hallmark for 1886. Bonhams, 21 Feb 2025, lot 96. result recorded. TheBasis.Art, TB-2026-178648.

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From the same sale Weekly: Watches · Feb 2025

Lot	Artist	Estimate
Ref: 9455, Circa 1970	Audemars Piguet. An 18k Gold Manual Wind Wristwatch	£1,000–£1,500
Circa 1970	Alexis Barthelay. A Silver Manual Wind Cuff Watch	£400–£600
Ref: 38337 08, Circa 1970	Baume & Mercier. A Lady's 18k Gold Manual Wind Wristwatch	£400–£600
Top Time, Ref: 2008-33, Circa 1970	Breitling. A Gold Plated And Stainless Steel Manual Wind Chronograph Bracelet Watch	£800–£1,200
Must de,	Cartier. A Gold Plated And Black Lacquer Lighter	£200–£300
Tank Francaise, Ref: 2465, Purchased 29th September 2000	Cartier. A Stainless Steel Quartz Calendar Bracelet Watch	£1,200–£1,800

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch	Circa 1920	$1,898	Bonhams, May 2025
J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch	Birmingham Hallmark for 1930		Bonhams, Oct 2025
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Clé de Cartier, Ref: 3856, Circa 2010		Bonhams, Nov 2022
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Aquatimer, Ref: 3548, Circa 2004		Bonhams, May 2022
Rolex. A 9k Gold Manual Wind Bracelet Watch	c. 1970s		Bonhams, Sep 2025
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Ref: 6105-8110, Circa 1968		Bonhams, Nov 2021
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Portofino, Ref: IW356501, Purchased 19th August 2020		Bonhams, Feb 2026
Rolex. An 18k White Gold Manual Wind Wristwatch	Ref: 12857, Birmingham Hallmark for 1955		Bonhams, Sep 2025

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.