London Hallmark for 1931 — J.W Benson. A 9K gold keyless wind open face pocket watch

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Estimate: £300–£500 hammer ≈ $378–$631
Result
Performance
Sale: Bonhams — Weekly: Watches, Online, London, New Bond Street · 22 March 2024
Record ID: TB-2026-326290
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-326290 — https://thebasis.art/cite/TB-2026-326290

J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch, London Hallmark for 1931. Bonhams, 22 Mar 2024, lot 51. result recorded. TheBasis.Art, TB-2026-326290.

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J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch, London Hallmark for 1931. Bonhams, 22 Mar 2024, lot 51. result recorded. TheBasis.Art, TB-2026-326290.

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From the same sale Weekly: Watches · Mar 2024

Lot	Artist	Estimate
Circa 1920	A 9k Gold Manual Wind Bracelet Watch With Seed Pearl And Turquoise Set Bezel	£300–£500
Circa 1920	A Stainless Steel Keyless Wind Full Hunter Pocket Watch In The Form Of A Golf Ball	£200–£300
Circa 1900	An 18k Gold Key Wind Open Face Chronograph Pocket Watch	£1,200–£1,800
Greenwich, Circa 1999	Boodle & Dunthorne. A Unique 18k White Gold Quartz Wristwatch Designed By Andrew Duncan	£1,500–£2,000
Ref: 2001, Purchased 17th May 1994	Bueche-girod. A 9k Gold Quartz Calendar Bracelet Watch	£800–£1,200
Carbon Gold 'Athens', No.187/200, Ref: BB33VLD, Circa 1990	Bvlgari. A Limited Edition Carbon Automatic Calendar Wristwatch	£400–£600

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	London Hallmark for 1924	$650	Bonhams, Feb 2024
J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch	London Hallmark for 1938		Bonhams, Apr 2024
J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch	Birmingham Hallmark for 1928		Bonhams, Oct 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Dynamic, Circa 1970		Bonhams, Mar 2024
J.w.benson, London. A 9k Gold Keyless Wind Open Face Pocket Watch	Birmingham Hallmark for 1930		Bonhams, Oct 2025
A 9k Gold Keyless Wind Open Face Pocket Watch	Birmingham Hallmark for 1941		Bonhams, Oct 2024
Rolex. A 9k Gold Manual Wind Bracelet Watch	Precision, Purchased 9th November 1974		Bonhams, Nov 2022
Rolex. A Stainless Steel Manual Wind Wristwatch	Ref: 131.019/132.019, Circa 1968		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.