Circa 1930 — Cartier. A platinum and 18K gold keyless wind open face pocket watch

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Estimate: £1,500–£2,000 hammer ≈ $2,012–$2,683
Result
Performance
Sale: Bonhams — Weekly: Watches, Online, London, Knightsbridge · 19 January 2026
Record ID: TB-2026-041822
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-041822 — https://thebasis.art/cite/TB-2026-041822

Cartier. A Platinum And 18k Gold Keyless Wind Open Face Pocket Watch, Circa 1930. Bonhams, 19 Jan 2026, lot 88. result recorded. TheBasis.Art, TB-2026-041822.

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Cartier. A Platinum And 18k Gold Keyless Wind Open Face Pocket Watch, Circa 1930. Bonhams, 19 Jan 2026, lot 88. result recorded. TheBasis.Art, TB-2026-041822.

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From the same sale Weekly: Watches · Jan 2026

Lot	Artist	Estimate
Ref: BB 26 SG, Circa 2000	Bulgari. A Lady's Stainless Steel And Gold Quartz Calendar Bracelet Watch	£800–£1,200
J12, Circa 2005	Chanel. A White Ceramic Quartz Calendar Bracelet Watch	£1,200–£1,800
Imperiale, Ref: 8247, Circa 2000	Chopard. A Stainless Steel And Gold Plated Quartz Calendar Chronograph Wristwatch	£1,000–£1,500
Healey NOJ 393, No.873 of 1888, Ref: FC-392HVG6B6, Purchased 11th Nov…	Frederique Constant. A Limited Edition Stainless Steel Automatic Chronograph Calendar Wristwatch	£600–£800
Circa 1960	International Watch Co. A Stainless Steel Manual Wind Bracelet Watch	£600–£800
London Hallmark for 1961	International Watch Co. A 9k Gold Manual Wind Wristwatch	£800–£1,200

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 16030, Circa 1978	$5,146	Bonhams, May 2026
Vacheron Constantin. An 18k White Gold Manual Wind Wristwatch	c. 1960s		Bonhams, Dec 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 116200, Purchased 26th July 2007		Bonhams, Nov 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 16200, Purchased 10th December 2001		Bonhams, Nov 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Mark XV, Die Fliegeruhr, Ref: 3253, Purchased 24th June, 200		Bonhams, Jun 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Cartier. Montre bracelet en acier avec date mouvement automa		Bonhams, Jun 2026
Vacheron Constantin. An 18k White Gold Manual Wind Wristwatch	Ref: 6486, London Import mark for 1965		Bonhams, Feb 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Rolex. Montre bracelet en acier avec date mouvement automati		Bonhams, Oct 2023

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.