Courvoisier. A fine and rare full hunter key wind dual time calendar pocket watch Courvoisier. Montre de gousset à clapet en argent (800) avec date et second fuseau horaire remontoir à clé Circa 1800 — Courvoisier. A fine and rare full hunter key wind dual time calendar pocket watch Courvoisier. Montre de gousset à clapet en argent (800) avec date et second fuseau horaire remontoir à clé Circa 1800

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Estimate: €1,500–€2,000 hammer ≈ $1,765–$2,353
Result
Performance
Sale: Bonhams — Paris Watches Online, Online, Paris, avenue Hoche · 21 April 2026
Record ID: TB-2026-052726
Record: first seen 20 Jul 2026 · updated 29 Jul 2026 · source ↗
Cite this record: TB-2026-052726 — https://thebasis.art/cite/TB-2026-052726

Courvoisier. A Fine And Rare Full Hunter Key Wind Dual Time Calendar Pocket Watch Courvoisier. Montre De Gousset À Clapet En Argent, Courvoisier. A fine and rare full hunter key wind dual time calendar pocket watch Courvoisier. Montre de gousset à clapet en argent (800) avec date et second fuseau horaire remontoir à clé Circa 1800. Bonhams, 21 Apr 2026, lot 12. bought in (did not sell). TheBasis.Art, TB-2026-052726.

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Courvoisier. A Fine And Rare Full Hunter Key Wind Dual Time Calendar Pocket Watch Courvoisier. Montre De Gousset À Clapet En Argent, Courvoisier. A fine and rare full hunter key wind dual time calendar pocket watch Courvoisier. Montre de gousset à clapet en argent (800) avec date et second fuseau horaire remontoir à clé Circa 1800. Bonhams, 21 Apr 2026, lot 12. bought in (did not sell). TheBasis.Art, TB-2026-052726.

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From the same sale Paris Watches Online · Apr 2026

Lot	Artist	Estimate
Girard. A fine and rare silver full hunter key wind dual time calenda…	Girard. A Fine And Rare Silver Full Hunter Key Wind Dual Time Calendar Pocket Watch Girard. Montre De Gousset À Clapet En Argent	€2,000–€3,000
Bonna Frères, Genève. A silver open face key wind pocket watch Bonna …	Bonna Frères, Genève. A Silver Open Face Key Wind Pocket Watch Bonna Frères, Genève. Montre De Gousset À Cadran Ouvert En Argent	€600–€800
Breguet & Fils. A silver open face key wind repeating pocket watch Br…	Breguet & Fils. A Silver Open Face Key Wind Repeating Pocket Watch Breguet & Fils. Montre De Gousset En Argent	€2,000–€3,000
Helvetia. Montre bracelet en plaqué chrome mouvement mécanique Circa 1920	Helvetia. A Chrome Plated Manual Wind Wristwatch	€1,800–€2,200
Cartier x Concord Watch Co. Montre bracelet en plaqué or jaune mouvem…	Cartier X Concord Watch Co. A Gold Plated Manual Wind Wristwatch	€1,000–€1,500
Piaget. A lady's 18K white gold manual wind wristwatch Piaget. Montre…	Piaget. A Lady's 18k White Gold Manual Wind Wristwatch Piaget. Montre Bracelet De Dame En Or Blanc 18k	€2,000–€3,000

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Artist	Lot	Result USD, incl. premium	Sale
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Jaeger-lecoultre. A Stainless Steel Automatic Calendar Wristwatch With Alarm	Jaeger-LeCoultre. Montre bracelet en acier avec date et alar		Bonhams, Aug 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Seamaster, Ref: 168.1508, c.2010s		Bonhams, May 2023
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Oyster Perpetual Date, Ref: 6916/6917, Circa 1971		Bonhams, Mar 2025
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Cle de Cartier, Ref: 3856, Circa 2010		Bonhams, May 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Date, Ref: 15010/15000, Purchased 2nd July 1986		Bonhams, Apr 2026
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Yacht Club, c.1970		Bonhams, Jun 2023
Rolex. A Stainless Steel Automatic Bracelet Watch	Oyster Perpetual, Ref: 6548/6549, Circa 1968		Bonhams, Feb 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.