London Hallmark for 1847 — Arnold, 84 Strand, London. A rare and unusual 18K gold key wind open face pocket watch with early form of split seconds

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Estimate: £3,500–£4,500 hammer ≈ $4,408–$5,668
Result
Performance
Sale: Bonhams — London Watches, London, Knightsbridge · 19 February 2025
Record ID: TB-2026-173911
Record: first seen 20 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-173911 — https://thebasis.art/cite/TB-2026-173911

Arnold, 84 Strand, London. A Rare And Unusual 18k Gold Key Wind Open Face Pocket Watch With Early Form Of Split Seconds, London Hallmark for 1847. Bonhams, 19 Feb 2025, lot 21. bought in (did not sell). TheBasis.Art, TB-2026-173911.

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Arnold, 84 Strand, London. A Rare And Unusual 18k Gold Key Wind Open Face Pocket Watch With Early Form Of Split Seconds, London Hallmark for 1847. Bonhams, 19 Feb 2025, lot 21. bought in (did not sell). TheBasis.Art, TB-2026-173911.

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From the same sale London Watches · Feb 2025

Lot	Artist	Estimate
Datejust 'Ovettone', Ref: 6105, Glasgow Import mark for 1952	Rolex. A Fine And Rare 18k Gold Automatic Calendar Bracelet Watch With Red 'datejust' And Date	£25,000–£35,000
Circa 1930	Rolex. A Lady's Platinum Diamond Set Manual Wind Cocktail Watch With Associated Case And Bracelet	£4,000–£6,000
Circa 1930	Movado. A Lady's Platinum Diamond And Onyx Set Manual Wind Cocktail Watch	£800–£1,200
London Import mark for 1969	Jaeger-lecoultre. A Lady's 18k White Gold Diamond Set Bracelet Watch	£3,000–£5,000
London Import mark for 1968	Jaeger-lecoultre. A Lady's 18k White Gold Diamond Set Bracelet Watch With Concealed Dial	£2,500–£3,500
Circa 1940, re-cased by the military in 1956	Longines. A Stainless Steel Military Manual Wind Wristwatch Issued To The Royal Air Force	£1,500–£2,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Arnold, 84 Strand, London. A Rare And Unusual 18k Gold Key Wind Open Face Pocket Watch With Early Form Of Split Seconds	London Hallmark for 1847	$4,702	Bonhams, Nov 2025
Cartier. An 18k White Gold Quartz Wristwatch	Baignoire, Ref: 1952 1, c. 1990s		Bonhams, Mar 2025
Cartier. An 18k White Gold Quartz Wristwatch	Tank , Ref: 86600, Purchased 20th December 1989		Bonhams, Aug 2026
Cartier. An 18k White Gold Quartz Wristwatch	Tank, Ref: 2442, Purchased 19th October 2007		Bonhams, Sep 2024
Cartier. A Lady's 18k White Gold Diamond Set Quartz Bracelet Watch	Cougar, Circa 1990		Bonhams, Nov 2019
Cartier. A Lady's 18k White Gold Diamond Set Quartz Bracelet Watch	Panthère, Ref: 00181, Purchased 14th December 1991		Bonhams, Nov 2023
Cartier. An 18k White Gold Quartz Wristwatch	Panthère 1925, Ref: 2325, Circa 2000		Bonhams, Dec 2025
Vacheron & Constantin. A 14k Gold Keyless Wind Open Face Pocket Watch	Circa 1915		Bonhams, Nov 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.